- · NATR | NATV
- · NUTR | PWTR...2RS
- · KR/KR..-PP | KRE..-PP | KPV..-PP
- · NUKR | PWKR..-2RS | NUKRE/PWKRE..-2RS
- · CF | CFE | CCF | CCFE | CFH | CCFH
- · INTERCHANGEABILITY CHART
RSTO STO | Yoke type track rollers,outer ring without ribs,with or without inner ring |
RNA22...2RS NA22...2RS | Yoke type track rollers,without axial guidance,lip seals on both sides,with or without inner ring |
NATR | Yoke type track rollers,with axial guidance,gap seals on both sides |
NATR...PP | Yoke type track rollers,with axial guidance,plastic axial plain washers on both sides |
NATV | Yoketype track rollers,full complement needle roller set,with axial guidance,gap seals on both sides |
NATV...PP | Yoke type track rollers,full complement needle roller set,with axial guidance,plastic axial plain washers on both sides |
NUTR | Yoke type track rollers,full complement cylindrical roller set,with axial guidance,labyrinth seals on both sides |
PWTR | Yoke type track rollers,full complement cylindrical roller set,with axial guidance,lip seals on both sides |
CYR | Inch series,plain retaining ring,axial guiding,yoke type track rollers |
KR | with axial guidance,gap seals on both sides |
KR...PP | with axial guidance,plastic axial plain washers on both sides |
KRE | with axial guidance,with eccentric collar,gap seals on both sides |
KRE...PP | with axial guidance,with eccentric collar,plasticaxial plain washers on both sides |
KRV | with axial guidance,full complement needle roller set,gap seals on both sides |
KRV...PP | with axial guidance,full complement needle roller set,plastic axial plainwashers on both sides |
KRVE | with axial guidance,with eccentric collar,full complement needle roller set,gap seals on both sides |
KRVE...PP | with axial guidance,with eccentric collar,full complement needle roller set,plastic axial plain washers on both sides |
NUKR | with axial guidance,full complement cylindrical roller set,labyrinth seals on both sides |
NUKRE | with axial guidance,with eccentric collar,full complement cylindrical roller set,labyrinth seals on both sides |
PWKR | with axial guidance,full complement cylindrical roller set,lip seals on both sides |
CF | Inch series,stud type track rollers |
CFE | Inch series,stud type track rollers with eccentric collar |
CFH | Inch series,heavy stud type track rollers |
CFHE | Inch series,heavy stud type track rollers with eccentric collar |

Bearing Designation | Mass g | Dimensions(mm) | Basic load ratings | Fatigue limit load Curw N | Speed nDG min-1 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
D | d | B | C | d₂ | r min. | r1 min. | dyn. Crw N | stat. Corw N | dyn. Frper N | stat. For per N | ||||
NUTR15 | 99 | 35 | 15 | 19 | 18 | 20 | 0.6 | 0.3 | 15000 | 16800 | 8600 | 16800 | 2220 | 6500 |
PWTR15-2RS | 99 | 35 | 15 | 19 | 18 | 20 | 0.6 | 0.3 | 11600 | 11300 | 9400 | 11300 | 1780 | 6000 |
NUTR17 | 147 | 40 | 17 | 21 | 20 | 22 | 1 | 0.5 | 18400 | 22600 | 13100 | 22600 | 2900 | 5500 |
PWTR17-2RS | 147 | 40 | 17 | 21 | 20 | 22 | 1 | 0.5 | 13200 | 13800 | 13800 | 13800 | 2200 | 5000 |
NUTR1542 | 158 | 42 | 15 | 19 | 18 | 20 | 0.6 | 0.3 | 18100 | 21900 | 21900 | 21900 | 2900 | 6500 |
PWTR1542-2RS | 158 | 42 | 15 | 19 | 18 | 20 | 0.6 | 0.3 | 13500 | 14100 | 14100 | 14100 | 2230 | 6000 |
NUTR1747 | 220 | 47 | 17 | 21 | 20 | 22 | 1 | 0.5 | 21300 | 28000 | 28000 | 28000 | 3600 | 5500 |
PWTR1747-2RS | 220 | 47 | 17 | 21 | 20 | 22 | 1 | 0.5 | 14800 | 16400 | 16400 | 16400 | 2600 | 5000 |
NUTR20 | 245 | 47 | 20 | 25 | 24 | 27 | 1 | 0.5 | 28000 | 35000 | 16400 | 33000 | 4400 | 4200 |
PWTR20-2RS | 245 | 47 | 20 | 25 | 24 | 27 | 1 | 0.5 | 232000 | 25500 | 18300 | 25500 | 3600 | 3800 |
NUTR2052 | 321 | 52 | 20 | 25 | 24 | 27 | 1 | 0.5 | 315000 | 41000 | 38500 | 41000 | 5200 | 4200 |
NUTR2052-2RS | 321 | 52 | 20 | 25 | 24 | 27 | 1 | 0.5 | 255000 | 29500 | 29500 | 29500 | 4150 | 3800 |
NUTR25 | 281 | 52 | 25 | 25 | 24 | 31 | 1 | 0.5 | 29000 | 37500 | 17300 | 34500 | 4700 | 4200 |
NUTR25-2RS | 281 | 52 | 25 | 25 | 24 | 31 | 1 | 0.5 | 242000 | 28000 | 19300 | 28000 | 3900 | 3800 |
NUTR2526 | 450 | 62 | 25 | 25 | 24 | 31 | 1 | 0.5 | 355000 | 50000 | 50000 | 50000 | 6300 | 4200 |
PWTR2526-2RS | 450 | 62 | 25 | 25 | 24 | 31 | 1 | 0.5 | 29000 | 36000 | 36000 | 36000 | 5000 | 3800 |
NUTR30 | 465 | 62 | 30 | 29 | 28 | 38 | 1 | 0.5 | 40000 | 50000 | 23500 | 46500 | 6300 | 2600 |
PWTR30-2RS | 465 | 62 | 30 | 29 | 28 | 38 | 1 | 0.5 | 35000 | 395000 | 25500 | 39500 | 5400 | 2200 |

Bearing Designation | Mass g | Dimensions(mm) | Basic load ratings | Fatigue limit load Curw N | Speed nDG min-1 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
D | d | B | C | d₂ | r min. | r1 min. | dyn. Crw N | stat. Corw N | dyn. Frper N | stat. For per N | ||||
NUTR3072 | 697 | 72 | 30 | 29 | 28 | 38 | 1 | 0.5 | 47500 | 64000 | 64000 | 64000 | 8100 | 2600 |
PWTR3072-2RS | 697 | 72 | 30 | 29 | 28 | 38 | 1 | 0.5 | 41000 | 49000 | 49000 | 49000 | 6700 | 2200 |
NUTR35 | 630 | 72 | 35 | 29 | 28 | 44 | 1.1 | 0.6 | 44500 | 60000 | 32000 | 60000 | 7600 | 2100 |
PWTR35-2RS | 630 | 72 | 35 | 29 | 28 | 44 | 1.1 | 0.6 | 38500 | 46500 | 34500 | 46500 | 6300 | 1800 |
NUTR3580 | 836 | 80 | 35 | 29 | 28 | 44 | 1.1 | 0.6 | 51000 | 72000 | 72000 | 72000 | 9100 | 2100 |
PWTR3580-2RS | 836 | 80 | 35 | 29 | 28 | 44 | 1.1 | 0.6 | 43500 | 55000 | 55000 | 55000 | 7500 | 1800 |
NUTR40 | 816 | 80 | 40 | 32 | 30 | 50.5 | 1.1 | 0.6 | 55000 | 75000 | 30500 | 60000 | 9400 | 1600 |
PWTR40-2RS | 816 | 80 | 40 | 32 | 30 | 50.5 | 1.1 | 0.6 | 44500 | 53000 | 35000 | 53000 | 7100 | 1500 |
NUTR45 | 883 | 85 | 45 | 32 | 30 | 55.2 | 1.1 | 0.6 | 56000 | 78000 | 31500 | 61000 | 9700 | 1400 |
PWTR45-2RS | 883 | 85 | 45 | 32 | 30 | 55.2 | 1.1 | 0.6 | 45000 | 55000 | 36000 | 55000 | 7400 | 1300 |
NUTR4090 | 1129 | 90 | 40 | 32 | 30 | 50.5 | 1.1 | 0.6 | 66000 | 95000 | 84000 | 95000 | 11900 | 1600 |
PWTR4090-2RS | 1129 | 90 | 40 | 32 | 30 | 50.5 | 1.1 | 0.6 | 52000 | 66000 | 66000 | 66000 | 8800 | 1500 |
NUTR50 | 950 | 90 | 50 | 32 | 30 | 59.8 | 1.1 | 0.6 | 57000 | 81000 | 32000 | 62000 | 10100 | 1300 |
PWTR50-2RS | 950 | 90 | 50 | 32 | 30 | 59.8 | 1.1 | 0.6 | 45500 | 57000 | 37000 | 57000 | 7700 | 1100 |
NUTR45100 | 1396 | 100 | 45 | 32 | 30 | 55.2 | 1.1 | 0.6 | 71000 | 10700 | 106000 | 107000 | 13300 | 1400 |
PWTR45100-2RS | 1396 | 100 | 45 | 32 | 30 | 55.2 | 1.1 | 0.6 | 56000 | 74000 | 74000 | 74000 | 9900 | 1300 |
NUTR50110 | 1690 | 110 | 50 | 32 | 30 | 59.8 | 1.1 | 0.6 | 76000 | 120000 | 120000 | 120000 | 14900 | 1300 |
PWTR50110-2RS | 1690 | 110 | 50 | 32 | 30 | 59.8 | 1.1 | 0.6 | 59000 | 82000 | 82000 | 82000 | 11000 | 1100 |