Bearing tolerances and clearances
- Tolerances: Normal, Other,
- Radial Internal clearance: Needle roller bearing
Support roller (yoke-type track roller), full complement roller, with axial guidance, with gap seals, NATV20, NART20VR, FYCR-20R, CYM20RM, MCYR 20, MYRV20
D | 47 mm | Outside diameter |
d | 20 mm | Bore diameter |
B | 25 mm | Width inner ring |
C | 24 mm | Width outer ring |
d1 | 36.5 mm | Outside diameter flange ring |
r min | 1 mm | Chamfer dimension outer ring |
C | 19.4 kN | Basic dynamic load rating |
C0 | 41.5 kN | Basic static load rating |
Pu | 5 kN | Fatigue load limit |
Fr | 30.5 kN | Maximum dynamic radial load |
F0r | 43 kN | Maximum static radial load |
nD G | 1300 r/min | Limiting speed |
≈m | 0.255 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 | |
With | Axial guidance of outer ring | |
GCr15 (52100, 100Cr6) | Ring and roller material | |
Without cage | Cage material | |
Gap type | Sealing type | |
Lithium Soap Grease NLGI #2 | Grease | |
With | Re-lubrication |
P0(ABEC-1) | Tolerance class | |
Between C2 and CN | Radial internal clearance |
INA・SKF | IKO・THK | NTN | NSK | KOYO | McGill | Smith |
NATV20 | NART20VR | NATV20/3AS | FYCR-20R | CYM20RM | MCYR 20 | MYRV20 |
Bearing tolerances and clearances