Bearing tolerances and clearances
- Tolerances: Normal, Other,
- Radial Internal clearance: Needle roller bearing
Support roller (yoke-type track roller), without flange rings and inner ring, RSTO20, RNAST 20 R, RNAB204
D | 47 mm | Outside diameter |
Fw | 25 mm | Diameter under rollers |
C | 15.8 mm | Width outer ring |
E | 32 mm | Raceway diameter outer ring |
r min | 0.3 mm | Chamfer dimension outer ring |
C | 16.1 kN | Basic dynamic load rating |
C0 | 21.2 kN | Basic static load rating |
Pu | 2.5 kN | Fatigue load limit |
Fr | 18.6 kN | Maximum dynamic radial load |
F0r | 26.5 kN | Maximum static radial load |
nD G | 2400 r/min | Limiting speed |
≈m | 0.13 kg | Weight |
-30 ºC to +120 ºC | Temperature range °C | |
-22 ºF to +250 ºF | Temperature range °F |
Crowned | Outer ring profile | |
Needle rollers | Rolling elements | |
1 | Number of rows | |
Without | Axial guidance of outer ring | |
GCr15 (52100, 100Cr6) | Ring and roller material | |
Sheet steel | Cage material | |
Open | Sealing type | |
Lithium Soap Grease NLGI #2 | Grease | |
Not available | Re-lubrication |
P0(ABEC-1) | Tolerance class | |
Not available | Radial internal clearance |
INA | SKF | Koyo-Torrington | IKO/THK | NTN |
RSTO20 | RSTO 20 | RSTO20 | RNAST 20 R | RNAB204 |
Bearing tolerances and clearances