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Yoke Type Track Rollers With Axial Guidance Needle Roller Bearings
The outer rings of this needle bearings and bearings case are interference fitted without axial fixed settings. The effcient capacity can be maintained even if in the condition of high speed and huge loading capacity .
Shaft Diameter | Bearing Designation and Approx Mass | Boundary Dimensions | Basic Load Rating remark2 | Limiting Speed | ||||||
With IR | Mass | d | D | B | C | d1 | Cr Dynamic | Cor Static | Grease remark3 | |
mm | g | mm | N | rpm | ||||||
35 |
NUTR15
|
99 | 15 | 35 | 19 | 18 | 20 | 20500 | 24500 | 6500 |
NUTR202X
|
- | 15 | 35 | 19 | 18 | 19.5 | 20500 | 24500 | 6500 | |
40 |
NUTR17
|
147 | 17 | 40 | 21 | 20 | 22 | 21800 | 28500 | 5500 |
42 |
NUTR15 42
|
158 | 15 | 42 | 19 | 18 | 20 | 20500 | 24500 | 6500 |
47 |
NUTR17 47
|
220 | 17 | 47 | 21 | 20 | 22 | 21800 | 28500 | 5500 |
NUTR20
|
245 | 20 | 47 | 25 | 24 | 27 | 36900 | 48900 | 4200 | |
52 |
NUTR20 52
|
321 | 20 | 52 | 25 | 24 | 27 | 36900 | 48900 | 4200 |
NUTR25
|
281 | 25 | 52 | 25 | 24 | 31 | 40800 | 58500 | 3400 | |
62 |
NUTR25 62
|
450 | 25 | 62 | 25 | 24 | 31 | 40800 | 58500 | 3400 |
NUTR30
|
465 | 30 | 62 | 29 | 28 | 38 | 56800 | 77500 | 2600 | |
72 |
NUTR30 72
|
697 | 30 | 72 | 29 | 28 | 38 | 56800 | 77500 | 2600 |
NUTR35
|
630 | 35 | 72 | 29 | 28 | 44 | 63000 | 91000 | 2100 | |
80 |
NUTR35 80
|
836 | 35 | 80 | 29 | 28 | 44 | 63000 | 91000 | 2100 |
NUTR40
|
816 | 40 | 80 | 32 | 30 | 51 | 87900 | 108000 | 1600 | |
NUTR3080
|
- | 30 | 80 | 31 | 30 | 44 | 56800 | 77500 | 2500 | |
85 |
NUTR45
|
883 | 45 | 85 | 32 | 30 | 55 | 93600 | 119000 | 1400 |
90 |
NUTR40 90
|
1129 | 40 | 90 | 32 | 30 | 51 | 87900 | 108000 | 1600 |
NUTR50
|
950 | 50 | 90 | 32 | 30 | 60 | 98900 | 140000 | 1300 | |
100 |
NUTR45 100
|
1396 | 45 | 100 | 32 | 30 | 55 | 93600 | 119000 | 1400 |
110 |
NUTR50 110
|
1690 | 50 | 110 | 32 | 30 | 60 | 98900 | 140000 | 1300 |
1.Suffix designation"X":columned surface.For example, NATR 40 X
2.Usually when the columned outer ring is mounted into the housing in normal tolerance, Cr and Cor is working;When the outer ring is used as track roller, Cw and Cow is working 3.Limiting speed for oil:about30% higher than the one of grease |