Product Description
Basic Features of Track Roller Bearing | |
Types | Stud type track roller bearing Yoke type track roller bearing |
Series | RSTO… and STO… RNA22…2RS and NA22…RS NATR… and NATV… NUTR… KR… and KRE… KRV… and KRVE… NUKR… and NUKRE… NAST…ZZ PWTR…2RS KR52…NUUP PWKR…2RS |
Material | Bearing Steel(GCr15, 100Cr6) SPCC St14 |
Dimension | Metric and Inch |
Dimension Range | 15mm~200mm(bore diameter) |
MOQ | 1 |
Delivery Time | 15-45 days |
Sea Ports | ZheJiang HangZhou HangZhou |
Why Choose HECTO?
1. More than 20 years of manufacturing and exporting experiences
2. an IATF16949 company
3. 100% inspecting of products
4. More competitive prices with better quality
5. More than 99% of delivery in time
6. Rapid response of your emails and questions
7. Products can be traced back
RSTO… and STO… series
Bearing No. (without inner ring) |
Weight (g) |
Bearing No. (with inner ring) |
Weight (g) |
Dimensions(mm) | Basic Load Rating(KN) | Limiting Speed (RPM) |
|||||||
d | D | C | B | Fw | E | r | Cr | Cor | |||||
RSTO 5TN | 8.5 | – | – | – | 16 | 7.8 | – | 7 | 10 | 0.3 | 2.55 | 2.55 | 16000 |
RSTO 6TN | 12.5 | STO 6TN | 17 | 6 | 19 | 9.8 | 10 | 10 | 13 | 0.3 | 3.75 | 4.5 | 10000 |
RSTO 8TN | 21 | STO 8TN | 26 | 8 | 24 | 9.8 | 10 | 12 | 15 | 0.3 | 4.2 | 5.5 | 8000 |
RSTO 10 | 42 | STO 10 | 49 | 10 | 30 | 11.8 | 12 | 14 | 20 | 0.3 | 8.4 | 9.2 | 5500 |
RSTO 12 | 49 | STO 12 | 57 | 12 | 32 | 11.8 | 12 | 16 | 22 | 0.3 | 8.9 | 10.1 | 4500 |
RSTO 15 | 50 | STO 15 | 63 | 15 | 35 | 11.8 | 12 | 20 | 26 | 0.3 | 9.1 | 10.7 | 3300 |
RSTO 17 | 88 | STO 17 | 107 | 17 | 40 | 15.8 | 16 | 22 | 29 | 0.3 | 14.3 | 17.7 | 2800 |
RSTO 20 | 130 | STO 20 | 152 | 20 | 47 | 15.8 | 16 | 25 | 32 | 0.3 | 16.2 | 21.5 | 2400 |
RSTO 25 | 150 | STO 25 | 177 | 25 | 52 | 15.8 | 16 | 30 | 37 | 0.3 | 16.5 | 22.9 | 1800 |
RSTO 30 | 255 | STO 30 | 308 | 30 | 62 | 19.8 | 20 | 38 | 46 | 0.6 | 23.3 | 35 | 1300 |
RSTO 35 | 375 | STO 35 | 441 | 35 | 72 | 19.8 | 20 | 42 | 50 | 0.6 | 25.5 | 40 | 1100 |
RSTO 40 | 420 | STO 40 | 530 | 40 | 80 | 19.8 | 20 | 50 | 58 | 1 | 35 | 59.3 | 850 |
RSTO 45 | 453 | STO 45 | 576 | 45 | 85 | 19.8 | 20 | 55 | 63 | 1 | 25.5 | 43 | 750 |
RSTO 50 | 481 | STO 50 | 617 | 50 | 90 | 19.8 | 20 | 60 | 68 | 1 | 43.6 | 83.4 | 650 |
RNA22…2RS and NA22…2RS series
Bearing No. (without inner ring) |
Weight (g) |
Bearing No. (with inner ring) |
Weight (g) |
Dimensions(mm) | Basic Load Rating(KN) | Limiting Speed (RPM) |
||||||||
d | D | C | B | Fw | D1 | r | r1 | Cr | Cor | |||||
RNA22/6.2RS | – | NA22/6.2RS | – | 6 | 19 | 11.8 | 12 | 10 | 16 | 0.3 | 0.3 | 4.8 | 4.6 | — |
RNA2200.2RS | 52 | NA2200.2RS | 60 | 10 | 30 | 13.8 | 14 | 14 | 20 | 0.6 | 0.3 | 8 | 8.5 | 5500 |
RNA2201.2RS | 57 | NA2201.2RS | 67 | 12 | 32 | 13.8 | 14 | 16 | 22 | 0.6 | 0.3 | 7.5 | 9 | 4700 |
RNA2202.2RS | 60 | NA2202.2RS | 75 | 15 | 35 | 13.8 | 14 | 20 | 26 | 0.6 | 0.3 | 8.2 | 9.6 | 3400 |
RNA2203.2RS | 94 | NA2203.2RS | 112 | 17 | 40 | 15.8 | 16 | 22 | 28 | 1 | 0.3 | 9.7 | 10.8 | 3000 |
RNA2204.2RS | 152 | NA2204.2RS | 177 | 20 | 47 | 17.8 | 18 | 25 | 33 | 1 | 0.3 | 15.2 | 18.3 | 2300 |
RNA2205.2RS | 179 | NA2205.2RS | 209 | 25 | 52 | 17.8 | 18 | 30 | 38 | 1 | 0.3 | 15.7 | 20 | 1800 |
RNA2206.2RS | 284 | NA2206.2RS | 324 | 30 | 62 | 19.8 | 20 | 35 | 43 | 1 | 0.6 | 18.4 | 25.5 | 1400 |
RNA2207.2RS | 432 | NA2207.2RS | 505 | 35 | 72 | 22.7 | 23 | 42 | 50 | 1.1 | 0.6 | 31.8 | 45.7 | 1100 |
RNA2208.2RS | 530 | NA2208.2RS | 628 | 40 | 80 | 22.7 | 23 | 48 | 57 | 1.1 | 0.6 | 27.5 | 40.5 | 850 |
RNA2209.2RS | 545 | NA2209.2RS | 655 | 45 | 85 | 22.7 | 23 | 52 | 62 | 1.1 | 0.6 | 28.5 | 43 | 800 |
RNA2210.2RS | 563 | NA2210.2RS | 690 | 50 | 90 | 22.7 | 23 | 58 | 68 | 1.1 | 0.6 | 43.2 | 70 | 650 |
NATR… and NATV… series
Bearing No. | Weight (g) |
Bearing No. | Weight (g) |
Dimensions(mm) | Basic Load Rating(KN) | Limiting Speed (RPM) |
||||||
d | D | B | C | d1 | r | Cr | Cor | |||||
NATR 5 | 14 | NATR 5PP | 14 | 5 | 16 | 12 | 11 | 12 | 0.15 | 2.8 | 2.5 | 14000 |
NATV 5 | 15 | NATV 5PP | 15 | 5 | 16 | 12 | 11 | 12 | 0.15 | 7 | 8.6 | 3800 |
NATR 6 | 20 | NATR 6PP | 20 | 6 | 19 | 12 | 11 | 14 | 0.15 | 3.2 | 3.3 | 11000 |
NATV 6 | 21 | NATV 6PP | 21 | 6 | 19 | 12 | 11 | 14 | 0.15 | 7.9 | 10.7 | 3100 |
NATR 8 | 41 | NATR 8PP | 41 | 8 | 24 | 15 | 14 | 19 | 0.3 | 4.8 | 4.8 | 7500 |
NATV 8 | 42 | NATV 8PP | 42 | 8 | 24 | 15 | 14 | 19 | 0.3 | 10.2 | 12.9 | 2500 |
NATR 10 | 64 | NATR 10PP | 64 | 10 | 30 | 15 | 14 | 23 | 0.6 | 6.9 | 7 | 5500 |
NATV 10 | 65 | NATV 10PP | 65 | 10 | 30 | 15 | 14 | 23 | 0.6 | 12.5 | 15.3 | 2100 |
NATR 12 | 71 | NATR 12PP | 71 | 12 | 32 | 15 | 14 | 25 | 0.6 | 6.9 | 7.1 | 4500 |
NATV 12 | 72 | NATV 12PP | 72 | 12 | 32 | 15 | 14 | 25 | 0.6 | 13.3 | 17 | 1800 |
NATR 15 | 103 | NATR 15PP | 103 | 15 | 35 | 19 | 18 | 27 | 0.6 | 10.3 | 14.8 | 3600 |
NATV 15 | 105 | NATV 15PP | 105 | 15 | 35 | 19 | 18 | 27 | 0.6 | 19.6 | 34.7 | 1600 |
NATR 17 | 144 | NATR 17PP | 144 | 17 | 40 | 21 | 20 | 32 | 1 | 18.2 | 21.9 | 2900 |
NATV 17 | 152 | NATV 17PP | 152 | 17 | 40 | 21 | 20 | 32 | 1 | 31.5 | 45.3 | 1400 |
NATR 20 | 246 | NATR 20PP | 246 | 20 | 47 | 25 | 24 | 37 | 1 | 22.4 | 29.9 | 2400 |
NATV 20 | 254 | NATV 20PP | 254 | 20 | 47 | 25 | 24 | 37 | 1 | 37.7 | 59.1 | 1300 |
NATR 25 | 275 | NATR 25PP | 275 | 25 | 52 | 25 | 24 | 42 | 1 | 24 | 34.2 | 1800 |
NATV 25 | 285 | NATV 25PP | 285 | 25 | 52 | 25 | 24 | 42 | 1 | 43 | 73.6 | 1000 |
NATR 30 | 470 | NATR 30PP | 470 | 30 | 62 | 29 | 28 | 51 | 1 | 32.9 | 50.3 | 1300 |
NATV 30 | 481 | NATV 30PP | 481 | 30 | 62 | 29 | 28 | 51 | 1 | 57.1 | 104 | 850 |
NATR 35 | 635 | NATR 35PP | 635 | 35 | 72 | 29 | 28 | 58 | 1.1 | 34.4 | 55.8 | 1000 |
NATV 35 | 647 | NATV 35PP | 647 | 35 | 72 | 29 | 28 | 58 | 1.1 | 59.3 | 114.5 | 750 |
NATR 40 | 805 | NATR 40PP | 805 | 40 | 80 | 32 | 30 | 66 | 1.1 | 38.5 | 66.6 | 850 |
NATV 40 | 890 | NATV 40PP | 890 | 40 | 80 | 32 | 30 | 66 | 1.1 | 70.8 | 149.1 | 650 |
NATR 45 | 910 | NATR 45PP | 910 | 45 | 85 | 32 | 30 | 72 | 1.1 | 42.6 | 77.8 | 750 |
NATV 45 | 935 | NATV 45PP | 935 | 45 | 85 | 32 | 30 | 72 | 1.1 | 74.5 | 164.4 | – |
NATR 50 | 960 | NATR 50PP | 960 | 50 | 90 | 32 | 30 | 76 | 1.1 | 44.3 | 85.1 | 650 |
NATV 50 | 990 | NATV 50PP | 990 | 50 | 90 | 32 | 30 | 76 | 1.1 | 78 | 179.8 | 550 |
NUTR… series
Bearing No. | Weight (g) |
Dimensions(mm) | Basic Load Rating(KN) | Limiting Speed (RPM) |
|||||||||
d | D | B | C | d1 | r | rs1 | Cr | Cor | Fr perm | For perm | |||
NUTR 15 | 99 | 15 | 35 | 19 | 18 | 20 | 0.6 | 0.3 | 22.7 | 26.2 | 8.6 | 16.8 | 6500 |
NUTR 1542 | 158 | 15 | 42 | 19 | 18 | 20 | 0.6 | 0.3 | 22.7 | 26.2 | 21.9 | 21.9 | 6500 |
NUTR 17 | 147 | 17 | 40 | 21 | 21 | 22 | 1 | 0.5 | 27.7 | 32.4 | 13.1 | 22.6 | 5500 |
NUTR 1747 | 220 | 17 | 47 | 21 | 21 | 22 | 1 | 0.5 | 27.7 | 32.4 | 28 | 28 | 5500 |
NUTR 20 | 245 | 20 | 47 | 25 | 24 | 27 | 1 | 0.5 | 39.7 | 44 | 16.4 | 33 | 4200 |
NUTR 2052 | 321 | 20 | 52 | 25 | 24 | 27 | 1 | 0.5 | 39.7 | 44 | 38.5 | 41 | 4200 |
NUTR 25 | 281 | 25 | 52 | 25 | 24 | 31 | 1 | 0.5 | 44.7 | 57.2 | 17.3 | 34.5 | 3400 |
NUTR 2562 | 450 | 25 | 62 | 25 | 24 | 31 | 1 | 0.5 | 44.7 | 57.2 | 50 | 50 | 3400 |
NUTR 30 | 465 | 30 | 62 | 29 | 28 | 38 | 1 | 0.5 | 63.7 | 89.7 | 23.5 | 46.5 | 2600 |
NUTR 3072 | 697 | 30 | 72 | 29 | 28 | 38 | 1 | 0.5 | 63.7 | 89.7 | 64 | 64 | 2600 |
NUTR 35 | 630 | 35 | 72 | 29 | 28 | 44 | 1.1 | 0.6 | 75.1 | 104.6 | 32 | 60 | 2100 |
NUTR 3580 | 838 | 35 | 80 | 29 | 28 | 44 | 1.1 | 0.6 | 75.1 | 104.6 | 72 | 72 | 2100 |
NUTR 40 | 816 | 40 | 80 | 32 | 30 | 51 | 1.1 | 0.6 | 90.4 | 131.1 | 30.5 | 60 | 1600 |
NUTR 4090 | 1129 | 40 | 90 | 32 | 30 | 51 | 1.1 | 0.6 | 90.4 | 131.1 | 84 | 95 | 1600 |
NUTR 45 | 883 | 45 | 85 | 32 | 30 | 55 | 1.1 | 0.6 | 95.5 | 144.4 | 31.5 | 61 | 1400 |
NUTR 45100 | 1396 | 45 | 100 | 32 | 30 | 55 | 1.1 | 0.6 | 95.5 | 144.4 | 106 | 107 | 1400 |
NUTR 50 | 950 | 50 | 90 | 32 | 30 | 60 | 1.1 | 0.6 | 97.2 | 161.4 | 32 | 62 | 1300 |
NUTR 50110 | 1690 | 50 | 110 | 32 | 30 | 60 | 1.1 | 0.6 | 97.2 | 161.4 | 120 | 120 | 1300 |
KR… and KRE… series
KRV… and KRVE… series
Bearing No. | Weight (g) |
Bearing No. | Weight (g) |
Dimensions(mm) | Basic Load Rating(KN) | Limiting Speed | Eccentric Collar | Tightening Torque with Nut | |||||||||||||||
D | d | C | r | B | B1 | B2 | G | G1 | M | M1 | C1 | d2 | Cr | Cor | (RPM) | d1 | B3 | e | Nm | ||||
KR 16 | 18 | KRE 16 | 20 | 16 | 6 | 11 | 0.15 | 28 | 16 | – | M6×1 | 8 | 4 | – | 0.6 | 12 | 2.81 | 2.58 | 14000 | 9 | 7 | 0.5 | 3 |
KRV 16 | 20 | KRVE 16 | 22 | 16 | 6 | 11 | 0.15 | 28 | 16 | – | M6×1 | 8 | 4 | – | 0.6 | 12 | 7.02 | 8.69 | 3800 | 9 | 7 | 0.5 | 3 |
KR 19 | 28 | KRE 19 | 31 | 19 | 8 | 11 | 0.15 | 32 | 20 | – | M8×1.25 | 10 | 4 | – | 0.6 | 14 | 3.26 | 3.33 | 11000 | 11 | 9 | 0.5 | 8 |
KRV 19 | 32 | KRVE 19 | 35 | 19 | 8 | 11 | 0.15 | 32 | 20 | – | M8×1.25 | 10 | 4 | – | 0.6 | 14 | 7.94 | 10.75 | 3100 | 11 | 9 | 0.5 | 8 |
KR 22 | 44 | KRE 22 | 48 | 22 | 10 | 12 | 0.3 | 36 | 23 | – | M10×1 | 12 | 4 | – | 0.6 | 17 | 4.33 | 5.12 | 8000 | 13 | 10 | 0.5 | 15 |
KRV 22 | 45 | KRVE 22 | 49 | 22 | 10 | 12 | 0.3 | 36 | 23 | – | M10×1 | 12 | 4 | – | 0.6 | 17 | 8.94 | 13.3 | 2600 | 13 | 10 | 0.5 | 15 |
KR 26 | 58 | KRE 26 | 62 | 26 | 10 | 12 | 0.3 | 36 | 23 | – | M10×1 | 12 | 4 | – | 0.6 | 17 | 4.33 | 5.12 | 8000 | 13 | 10 | 0.5 | 15 |
KRV 26 | 61 | KRVE 26 | 65 | 26 | 10 | 12 | 0.3 | 36 | 23 | – | M10×1 | 12 | 4 | – | 0.6 | 17 | 8.94 | 13.3 | 2600 | 13 | 10 | 0.5 | 15 |
KR 30 | 87 | KRE 30 | 93 | 30 | 12 | 14 | 0.6 | 40 | 25 | 6 | M12×1.5 | 13 | 6 | 3 | 0.6 | 23 | 6.97 | 7.06 | 5500 | 15 | 11 | 0.5 | 22 |
KRV 30 | 89 | KRVE 30 | 95 | 30 | 12 | 14 | 0.6 | 40 | 25 | 6 | M12×1.5 | 13 | 6 | 3 | 0.6 | 23 | 12.6 | 15.3 | 2100 | 15 | 11 | 0.5 | 22 |
KR 32 | 98 | KRE 32 | 104 | 32 | 12 | 14 | 0.6 | 40 | 25 | 6 | M12×1.5 | 13 | 6 | 3 | 0.6 | 23 | 6.97 | 7.06 | 5500 | 15 | 11 | 0.5 | 22 |
KRV 32 | 100 | KRVE 32 | 106 | 32 | 12 | 14 | 0.6 | 40 | 25 | 6 | M12×1.5 | 13 | 6 | 3 | 0.6 | 23 | 12.6 | 15.3 | 2100 | 15 | 11 | 0.5 | 22 |
KR 35 | 169 | KRE 35 | 182 | 35 | 16 | 18 | 0.6 | 52 | 32.5 | 8 | M16×1.5 | 17 | 6 | 3 | 0.8 | 27 | 10.3 | 14.8 | 3600 | 20 | 14 | 1 | 58 |
KRV 35 | 171 | KRVE 35 | 184 | 35 | 16 | 18 | 0.6 | 52 | 32.5 | 8 | M16×1.5 | 17 | 6 | 3 | 0.8 | 27 | 19.7 | 34.8 | 1600 | 20 | 14 | 1 | 58 |
KR 40 | 247 | KRE 40 | 263 | 40 | 18 | 20 | 1 | 58 | 36.5 | 8 | M18×1.5 | 19 | 6 | 3 | 0.8 | 32 | 18.2 | 22 | 2900 | 22 | 16 | 1 | 87 |
KRV 40 | 249 | KRVE 40 | 265 | 40 | 18 | 20 | 1 | 58 | 36.5 | 8 | M18×1.5 | 19 | 6 | 3 | 0.8 | 32 | 31.5 | 45.3 | 1400 | 22 | 16 | 1 | 87 |
KR 47 | 386 | KRE 47 | 406 | 47 | 20 | 24 | 1 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | 22.2 | 29.9 | 2400 | 24 | 18 | 1 | 120 |
KRV 47 | 409 | KRVE 47 | 423 | 47 | 20 | 24 | 1 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | 37.3 | 59.2 | 1400 | 24 | 18 | 1 | 120 |
KR 52 | 461 | KRE 52 | 481 | 52 | 20 | 24 | 1 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | 22.2 | 29.9 | 2400 | 24 | 18 | 1 | 120 |
KRV 52 | 484 | KRVE 52 | 504 | 52 | 20 | 24 | 1 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | 37.3 | 59.2 | 1300 | 24 | 18 | 1 | 120 |
KR 62 | 790 | KRE 62 | 818 | 62 | 24 | 29 | 1 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | 32.8 | 47.3 | 1900 | 28 | 22 | 1 | 220 |
KRV 62 | 802 | KRVE 62 | 830 | 62 | 24 | 29 | 1 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | 53.8 | 91 | 1100 | 28 | 22 | 1 | 220 |
KR 72 | 1040 | KRE 72 | – | 72 | 24 | 29 | 1.1 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | 32.8 | 47.3 | 1900 | 28 | 22 | 1 | 220 |
KRV 72 | 1045 | KRVE 72 | – | 72 | 24 | 29 | 1.1 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | 53.8 | 91 | 1100 | 28 | 22 | 1 | 220 |
KR 80 | 1550 | KRE 80 | – | 80 | 30 | 35 | 1.1 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | 48.2 | 83.9 | 1300 | 35 | 29 | 1.5 | 450 |
KRV 80 | 1561 | KRVE 80 | – | 80 | 30 | 35 | 1.1 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | 74.9 | 150.3 | 850 | 35 | 29 | 1.5 | 450 |
KR 85 | – | KRE 85 | – | 85 | 30 | 35 | 1.1 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | 48.2 | 83.9 | 1300 | 35 | 29 | 1.5 | 450 |
KRV 85 | – | KRVE 85 | – | 85 | 30 | 35 | 1.1 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | 74.9 | 150.3 | 850 | 35 | 29 | 1.5 | 450 |
KR 90 | 1950 | KRE 90 | – | 90 | 30 | 35 | 1.1 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | 48.2 | 83.9 | 1300 | 35 | 29 | 1.5 | 450 |
KRV 90 | 1970 | KREV 90 | – | 90 | 30 | 35 | 1.1 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | 74.9 | 150.3 | 850 | 35 | 29 | 1.5 | 450 |
NUKR… and NUKRE… series
Bearing No. | Weight (g) |
Bearing No. | Weight (g) |
Dimensions(mm) | Basic Load Rating(KN) | Limiting Speed | Eccentric Collar | Tightening Torque with Nut | |||||||||||||||||
D | d | C | r | B | B1 | B2 | G | G1 | M1 | C1 | d2 | A/F | Cr | Cor | Fr perm | For perm | (RPM) | d1 | B3 | e | Nm | ||||
NUKR 35 | 164 | – | – | 35 | 16 | 18 | 0.6 | 52 | 32.5 | 7.8 | M16×1.5 | 17 | 3 | 0.8 | 20 | 8 | 22.7 | 26.2 | 8.6 | 16.8 | 6500 | 20 | 12 | 1 | 58 |
– | – | NUKRE 35 | 177 | 35 | 16 | 18 | 0.6 | 52 | 29.5 | 7.8 | M16×1.5 | 17 | 3 | 3.8 | 27 | 8 | 22.7 | 26.2 | 8.6 | 16.8 | 6500 | 20 | 12 | 1 | 58 |
NUKR 40 | 242 | – | – | 40 | 18 | 20 | 1 | 58 | 36.5 | 8 | M18×1.5 | 19 | 3 | 0.8 | 22 | 8 | 27.7 | 32.4 | 13.1 | 22.6 | 5500 | 22 | 14 | 1 | 87 |
– | – | NUKRE 40 | 258 | 40 | 18 | 20 | 1 | 58 | 33.5 | 8 | M18×1.5 | 19 | 3 | 3.8 | 30 | 8 | 27.7 | 32.4 | 13.1 | 22.6 | 5500 | 22 | 14 | 1 | 87 |
NUKR 47 | 380 | NUKRE 47 | 400 | 47 | 20 | 24 | 1 | 66 | 40.5 | 9 | M20×1.5 | 21 | 4 | 0.8 | 27 | 10 | 39.7 | 44 | 16.4 | 33 | 4200 | 24 | 18 | 1 | 120 |
NUKR 52 | 450 | NUKRE 52 | 470 | 52 | 20 | 24 | 1 | 66 | 40.5 | 9 | M20×1.5 | 21 | 4 | 0.8 | 31 | 10 | 44.7 | 55.2 | 17.3 | 34.5 | 3400 | 24 | 18 | 1 | 120 |
NUKR 62 | 795 | NUKRE 62 | 824 | 62 | 24 | 28 | 1 | 80 | 49.5 | 11 | M24×1.5 | 25 | 4 | 1.3 | 38 | 14 | 63.7 | 89.7 | 23.5 | 46.5 | 2600 | 28 | 22 | 1 | 220 |
NUKR 72 | 1571 | NUKRE 72 | 1050 | 72 | 24 | 28 | 1.1 | 80 | 49.5 | 11 | M24×1.5 | 25 | 4 | 1.3 | 44 | 14 | 74.1 | 104.6 | 32 | 60 | 2100 | 28 | 22 | 1 | 220 |
NUKR 80 | 1600 | NUKRE 80 | 1670 | 80 | 30 | 35 | 1.1 | 100 | 63 | 15 | M30×1.5 | 32 | 4 | 1 | 47 | 14 | 107 | 141.4 | 47.5 | 96 | 1800 | 35 | 29 | 1.5 | 450 |
NUKR 85 | 1790 | NUKRE 85 | 1860 | 85 | 30 | 35 | 1.1 | 100 | 63 | 15 | M30×1.5 | 32 | 4 | 1 | 47 | 14 | 107 | 141.4 | – | – | 1800 | 35 | 29 | 1.5 | 450 |
NUKR 90 | 1960 | NUKRE 90 | 2571 | 90 | 30 | 35 | 1.1 | 100 | 63 | 15 | M30×1.5 | 32 | 4 | 1 | 47 | 14 | 107 | 141.4 | 77 | 117 | 1800 | 35 | 29 | 1.5 | 450 |
NAST…ZZ series
Bearing No. | Weight (g) |
Dimensions(mm) | Basic Load Rating(KN) | Limiting Speed | ||||||||
d | D | B | C | d1 | a | e | r | Cr | Cor | (RPM) | ||
NAST 6ZZ | 24.5 | 6 | 19 | 14 | 13.8 | 14 | 2.5 | 0.8 | 0.5 | 4.1 | 4.5 | 17000 |
NAST 8ZZ | 39 | 8 | 24 | 14 | 13.8 | 17.5 | 2.5 | 0.8 | 1 | 5.7 | 5.9 | 14000 |
NAST 10ZZ | 65 | 10 | 30 | 16 | 15.8 | 23.5 | 2.5 | 0.8 | 1.5 | 9.48 | 9.32 | 12000 |
NAST 12ZZ | 75 | 12 | 32 | 16 | 15.8 | 25.5 | 2.5 | 0.8 | 1.5 | 10 | 10.4 | 11000 |
NAST 15ZZ | 83 | 15 | 35 | 16 | 15.8 | 29 | 2.5 | 0.8 | 1.5 | 11.7 | 13.4 | 8500 |
NAST 17ZZ | 136 | 17 | 40 | 20 | 19.8 | 32.5 | 3 | 1 | 1.5 | 19.2 | 23.5 | 7500 |
NAST 20ZZ | 195 | 20 | 47 | 20 | 19.8 | 38 | 3 | 1 | 1.5 | 20.8 | 27 | 7000 |
NAST 25ZZ | 226 | 25 | 52 | 20 | 19.8 | 43 | 3 | 1 | 1.5 | 23 | 32.5 | 5500 |
NAST 30ZZ | 402 | 30 | 62 | 25 | 24.8 | 50.5 | 4 | 1.2 | 1.5 | 35.3 | 55.3 | 4500 |
NAST 35ZZ | 550 | 35 | 72 | 25 | 24.8 | 53.5 | 4 | 1.2 | 1.5 | 36 | 58.3 | 4000 |
NAST 40ZZ | 710 | 40 | 80 | 26 | 25.8 | 61.5 | 4 | 1.2 | 2 | 37.3 | 64.3 | 3500 |
NAST 45ZZ | 760 | 45 | 85 | 26 | 25.8 | 66.5 | 4 | 1.2 | 2 | 37.3 | 66.3 | 3000 |
NAST 50ZZ | 830 | 50 | 90 | 26 | 25.8 | 76 | 4 | 1.2 | 2 | 38.9 | 71.6 | 3000 |
PWTR…2RS series
Bearing No. | Weight (g) |
Dimensions(mm) | Basic Load Rating(KN) | Limiting Speed | |||||||||
d | D | B | C | d1 | r | r1 | Cr | Cor | Fr perm | For perm | (RPM) | ||
PWTR 15.2RS | 99 | 15 | 35 | 19 | 18 | 20 | 0.6 | 0.3 | 17.2 | 18.3 | 9.4 | 11.3 | 6000 |
PWTR 1542.2RS | 158 | 15 | 42 | 19 | 18 | 20 | 0.6 | 0.3 | 17.2 | 18.3 | 14.1 | 14.1 | 6000 |
PWTR 17.2RS | 147 | 17 | 40 | 21 | 21 | 22 | 1 | 0.5 | 19.4 | 20.8 | 13.8 | 13.8 | 5000 |
PWTR 1747.2RS | 220 | 17 | 47 | 21 | 21 | 22 | 1 | 0.5 | 19.4 | 20.8 | 16.4 | 16.4 | 5000 |
PWTR 20.2RS | 245 | 20 | 47 | 25 | 24 | 27 | 1 | 0.5 | 30.6 | 33.6 | 18.3 | 25.5 | 3800 |
PWTR 2052.2RS | 321 | 20 | 52 | 25 | 24 | 27 | 1 | 0.5 | 30.6 | 33.6 | 29.5 | 29.5 | 3800 |
PWTR 25.2RS | 281 | 25 | 52 | 25 | 24 | 31 | 1 | 0.5 | 34.4 | 40.8 | 19.3 | 28 | 3800 |
PWTR 2562.2RS | 450 | 25 | 62 | 25 | 24 | 31 | 1 | 0.5 | 34.4 | 40.8 | 36 | 36 | 3800 |
PWTR 30.2RS | 465 | 30 | 62 | 29 | 28 | 38 | 1 | 0.5 | 52.4 | 69.8 | 25.5 | 39.5 | 2200 |
PWTR 3072.2RS | 697 | 30 | 72 | 29 | 28 | 38 | 1 | 0.5 | 52.4 | 69.8 | 49 | 49 | 2200 |
PWTR 35.2RS | 630 | 35 | 72 | 29 | 28 | 44 | 1.1 | 0.6 | 61.8 | 81.4 | 34.5 | 46.5 | 1800 |
PWTR 3580.2RS | 838 | 35 | 80 | 29 | 28 | 44 | 1.1 | 0.6 | 61.8 | 81.4 | 55 | 55 | 1800 |
PWTR 40.2RS | 816 | 40 | 80 | 32 | 30 | 51 | 1.1 | 0.6 | 76 | 104.9 | 35 | 53 | 1500 |
PWTR 4090.2RS | 1129 | 40 | 90 | 32 | 30 | 51 | 1.1 | 0.6 | 76 | 104.9 | 66 | 66 | 1500 |
PWTR 45.2RS | 883 | 45 | 85 | 32 | 30 | 55 | 1.1 | 0.6 | 80.3 | 115.5 | 36 | 55 | 1300 |
PWTR 45100.2RS | 1396 | 45 | 100 | 32 | 30 | 55 | 1.1 | 0.6 | 80.3 | 115.5 | 74 | 74 | 1300 |
PWTR 50.2RS | 950 | 50 | 90 | 32 | 30 | 60 | 1.1 | 0.6 | 81.7 | 129 | 37 | 57 | 1100 |
PWTR 50110.2RS | 1690 | 50 | 110 | 32 | 30 | 60 | 1.1 | 0.6 | 81.7 | 129 | 82 | 82 | 1100 |
KR52…NUUP series
Bearing No. | Weight (g) |
Dimensions(mm) | Basic Load Rating(KN) | Limiting Speed | ||||||||||||
D | d | B | B1 | B2 | C | C1 | d1 | r | G | G1 | A/F | Cr | Cor | (RPM) | ||
KR 5201 NUUP | 120 | 35 | 12 | 49.2 | 17 | 32.5 | 15.9 | 0.8 | 17.1 | 0.6 | M12×1.5 | 17 | 6 | 8.6 | 5.1 | 6000 |
KR 5202 NUUP | 190 | 40 | 16 | 53.2 | 17 | 36.5 | 15.9 | 0.8 | 20 | 0.6 | M16×1.5 | 19 | 8 | 9.8 | 6.2 | 6000 |
KR 5203 NUUP | 290 | 47 | 18 | 58.8 | 18.5 | 40.5 | 17.5 | 0.8 | 22.9 | 0.6 | M18×1.5 | 21 | 8 | 12.6 | 8.2 | 3800 |
KR 5204 NUUP | 380 | 52 | 20 | 63.6 | 22.5 | 41.5 | 20.6 | 1.5 | 26.8 | 1 | M20×1.5 | 21 | 10 | 15.8 | 10.5 | 3800 |
KR 5205 NUUP | 580 | 62 | 24 | 70.9 | 21.5 | 49.5 | 20.6 | 0.8 | 30.3 | 1 | M24×1.5 | 25 | 10 | 18.5 | 13 | 2200 |
KR 5206 NUUP | 800 | 72 | 24 | 74.1 | 25 | 49.5 | 23.8 | 0.8 | 37.3 | 1 | M24×1.5 | 25 | 10 | 24.6 | 17.7 | 2200 |
KR 5207 NUUP | 1200 | 80 | 30 | 91 | 28 | 63 | 27 | 1 | 42.4 | 1.1 | M30×1.5 | 32 | 12 | 30.5 | 22.4 | 1800 |
PWKR…2RS series
Bearing No. | Weight (g) |
Bearing No. | Weight (g) |
Dimensions(mm) | Basic Load Rating(KN) | Limiting Speed | Eccentric Collar | Tightening Torque with Nut | |||||||||||||||||
D | d | C | r | B | B1 | B2 | G | G1 | M1 | C1 | d2 | A/F | Cr | Cor | Fr pem | For pem | (RPM) | d1 | B3 | e | Nm | ||||
PWKR35.2RS | 164 | – | – | 35 | 16 | 18 | 0.6 | 52 | 32.5 | 7.8 | M16×1.5 | 17 | 3 | 0.8 | 20 | 8 | 17.2 | 18.3 | 9.4 | 11.3 | 6000 | 20 | 12 | 1 | 58 |
– | – | PWKRE35.2RS | 177 | 35 | 16 | 18 | 0.6 | 52 | 32.5 | – | M16×1.5 | 17 | – | 0.8 | 20 | 8 | 17.2 | 18.3 | 9.4 | 11.3 | 6000 | 20 | 12 | 1 | 58 |
PWKR40.2RS | 242 | – | – | 40 | 18 | 20 | 1 | 58 | 36.5 | 8 | M18×1.5 | 19 | 3 | 0.8 | 22 | 8 | 19.4 | 20.8 | 13.8 | 13.8 | 5000 | 22 | 14 | 1 | 87 |
– | – | PWKRE40.2RS | 258 | 40 | 18 | 20 | 1 | 58 | 36.5 | – | M18×1.5 | 19 | – | 0.8 | 22 | 8 | 19.4 | 20.8 | 13.8 | 13.8 | 5000 | 22 | 14 | 1 | 87 |
PWKR47.2RS | 380 | PWKRE47.2RS | 400 | 47 | 20 | 24 | 1 | 66 | 40.5 | 9 | M20×1.5 | 21 | 4 | 0.8 | 27 | 10 | 30.6 | 33.6 | 19.3 | 25.5 | 3800 | 24 | 18 | 1 | 120 |
PWKR52.2RS | 450 | PWKRE52.2RS | 470 | 52 | 20 | 24 | 1 | 66 | 40.5 | 9 | M20×1.5 | 21 | 4 | 0.8 | 31 | 10 | 34.4 | 40.8 | 19.3 | 28 | 3800 | 24 | 18 | 1 | 120 |
PWKR62.2RS | 795 | PWKRE62.2RS | 824 | 62 | 24 | 28 | 1 | 80 | 49.5 | 11 | M24×1.5 | 25 | 4 | 1.3 | 38 | 14 | 52.4 | 69.8 | 25.5 | 39.5 | 2200 | 28 | 22 | 1 | 220 |
PWKR72.2RS | 1571 | PWKRE72.2RS | 1050 | 72 | 24 | 28 | 1.1 | 80 | 49.5 | 11 | M24×1.5 | 25 | 4 | 1.3 | 44 | 14 | 61.8 | 81.4 | 46.5 | 46.5 | 2200 | 28 | 22 | 1 | 220 |
PWKR80.2RS | 1600 | PWKRE80.2RS | 1670 | 80 | 30 | 35 | 1.1 | 100 | 63 | 15 | M30×1.5 | 32 | 4 | 1 | 47 | 14 | 93.9 | 118.9 | 53 | 70 | 1800 | 35 | 29 | 1.5 | 450 |
PWKR85.2RS | 1780 | PWKRE85.2RS | 1850 | 85 | 30 | 35 | 1.1 | 100 | 63 | 15 | M30×1.5 | 32 | 4 | 1 | 47 | 14 | 93.9 | 118.9 | 53 | 70 | 1800 | 35 | 29 | 1.5 | 450 |
PWKR90.2RS | 1960 | PWKRE90.2RS | 2571 | 90 | 30 | 35 | 1.1 | 100 | 63 | 15 | M30×1.5 | 32 | 4 | 1 | 47 | 14 | 93.9 | 118.9 | 82 | 82 | 1800 | 35 | 29 | 1.5 | 450 |
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What are the considerations for selecting the right track bearings for a particular application?
Selecting the right track bearings for a particular application requires careful consideration of various factors to ensure optimal performance, reliability, and longevity. Here are the key considerations to keep in mind:
- Load Requirements: Assess the expected load conditions in the application. Consider both the static and dynamic loads that the track bearings will need to support. Determine the maximum load capacity required to ensure that the selected bearings can handle the anticipated loads without premature failure or excessive wear.
- Speed and Acceleration: Evaluate the speed and acceleration requirements of the application. Higher speeds and rapid accelerations can impose additional stresses on the track bearings. Choose bearings with suitable speed and acceleration ratings to ensure they can operate effectively within the desired range without compromising performance or causing premature wear.
- Environmental Factors: Consider the operating environment of the application. Evaluate factors such as temperature extremes, moisture, dust, chemicals, and potential exposure to corrosive substances. Select track bearings that are designed to withstand the specific environmental conditions to ensure optimal performance and longevity.
- Track and Rail Compatibility: Assess the compatibility of the track bearings with the existing track or rail system. Consider factors such as track geometry, dimensional requirements, and mounting options. Ensure that the selected bearings are suitable for the specific track or rail design to facilitate proper installation, alignment, and smooth operation.
- Maintenance and Lubrication: Evaluate the maintenance and lubrication requirements of the track bearings. Consider factors such as the need for regular maintenance, lubrication intervals, and the availability of suitable lubricants. Choose bearings that align with the desired maintenance practices and provide appropriate lubrication options based on the application’s operational demands.
- Expected Lifespan and Reliability: Determine the desired lifespan and reliability expectations for the track bearings. Consider factors such as the projected operating hours, duty cycles, and the criticality of the application. Select bearings from reputable manufacturers known for producing high-quality, reliable products that align with the expected lifespan and reliability requirements.
- Cost Considerations: Evaluate the cost-effectiveness of the track bearings. Consider the initial purchase cost as well as the long-term costs associated with maintenance, replacement, and potential downtime. Strive for a balance between the upfront investment and the overall value provided by the bearings in terms of performance, reliability, and longevity.
It is essential to consult with bearing manufacturers or industry experts who can provide guidance and recommendations based on the specific application requirements. By considering these factors and seeking expert advice, you can select the right track bearings that best meet the needs of your particular application.
How do track bearings enhance the overall efficiency and functionality of linear motion systems?
Track bearings play a crucial role in enhancing the overall efficiency and functionality of linear motion systems. They offer several benefits that contribute to improved performance, increased reliability, and enhanced functionality. Here’s a detailed explanation:
- Reduced Friction: Track bearings are designed to minimize friction between moving components, allowing for smoother and more efficient linear motion. By reducing friction, they help to optimize the efficiency of the system, reducing energy consumption and minimizing wear on the components.
- Precision and Stability: Track bearings provide precise guidance and stability to the linear motion system. They ensure accurate and repeatable motion along the intended path, allowing for precise positioning and control. This is particularly important in applications that require high accuracy, such as CNC machines, robotics, and automated assembly lines.
- Load Distribution: Track bearings distribute the load evenly along their length, allowing for efficient load transfer and reducing the concentration of forces on specific components. This helps to prevent excessive wear, deformation, and premature failure of the system, improving overall reliability and longevity.
- Handling Heavy Loads: Track bearings are specifically designed to handle heavy loads in linear motion systems. They offer high load capacities and robust construction, enabling them to support and move heavy objects with ease. This capability is essential in industries such as material handling, construction, and transportation.
- Smooth and Quiet Operation: Track bearings are engineered to provide smooth and quiet operation, minimizing noise and vibrations in the linear motion system. This is especially important in applications where noise reduction and comfort are critical, such as in medical equipment, office automation, and consumer electronics.
- Versatility and Adaptability: Track bearings come in various designs, sizes, and configurations to accommodate different linear motion system requirements. They can be easily integrated into existing systems or customized to fit specific applications. This versatility allows for greater flexibility and adaptability in designing and implementing linear motion solutions.
- Maintenance and Serviceability: Track bearings are designed for ease of maintenance and serviceability. They often feature removable components, such as seals or shields, that allow for inspection, cleaning, and lubrication. This simplifies maintenance tasks and reduces downtime, contributing to improved overall system efficiency and uptime.
By incorporating track bearings into linear motion systems, industries can benefit from increased efficiency, improved performance, and enhanced functionality. Whether it’s achieving precise positioning, handling heavy loads, reducing friction, or ensuring smooth operation, track bearings play a vital role in optimizing the overall efficiency and functionality of linear motion systems.
What are the components of a track bearing assembly and their functions?
A track bearing assembly consists of several components that work together to facilitate smooth and controlled motion along a track or guide rail. Let’s explore the components of a typical track bearing assembly and their functions:
- Outer Ring: The outer ring is the outermost component of a track bearing assembly. It provides structural support and houses the rolling elements. The outer ring is designed with a track or guide surface that interfaces with the track or rail, allowing the bearing to move along the desired path.
- Inner Ring: The inner ring is located inside the outer ring and provides a mounting surface for the bearing assembly. It may have a stud or shaft for attaching the bearing to the application. The inner ring helps in aligning and positioning the bearing assembly.
- Rolling Elements: The rolling elements are the components that enable smooth rolling motion between the inner and outer rings. In track bearings, the rolling elements are typically in the form of rollers or needles. They are designed to minimize friction and distribute the load evenly along the track surface.
- Cage: The cage, also known as a retainer, is a component that holds the rolling elements in position and maintains proper spacing between them. The cage prevents the rolling elements from contacting each other, reducing friction and wear. It also helps in guiding the rolling elements during operation.
- Seals or Shields: Track bearings often incorporate seals or shields to protect the internal components from contaminants such as dirt, dust, and moisture. Seals provide a physical barrier between the bearing and the external environment, while shields offer partial protection while allowing some lubrication to reach the rolling elements.
- Lubrication: Proper lubrication is crucial for the smooth operation and longevity of track bearings. Lubrication reduces friction, dissipates heat, and prevents wear between the rolling elements and raceways. Lubricants can be applied through grease fittings or oil ports, ensuring that the rolling elements roll smoothly along the track surface.
- Mounting Hardware: Depending on the specific design and application requirements, track bearing assemblies may include mounting hardware such as studs, bolts, or fasteners. These components are used to securely attach the bearing assembly to the application, ensuring proper alignment and stability.
By combining these components, a track bearing assembly provides reliable and controlled motion along a track or guide rail. The outer and inner rings, along with the rolling elements and cage, enable smooth rolling motion, while seals or shields protect the internal components from contaminants. Proper lubrication and mounting hardware ensure optimal performance and longevity of the track bearing assembly.
editor by CX 2024-01-23