Bearing tolerances and clearances
- Tolerances: Normal, Other,
- Radial Internal clearance: Needle roller bearing
Support roller (yoke-type track roller), with cage, with axial guidance, with gap seals, NATR12, NART12R, FYCJ-12R, CXM12RM, MCYRR 12, MYR12
D | 32 mm | Outside diameter |
d | 12 mm | Bore diameter |
B | 15 mm | Width inner ring |
C | 14 mm | Width outer ring |
d1 | 25 mm | Outside diameter flange ring |
r min | 0.6 mm | Chamfer dimension outer ring |
C | 6.6 kN | Basic dynamic load rating |
C0 | 8.5 kN | Basic static load rating |
Pu | 0.95 kN | Fatigue load limit |
Fr | 7.65 kN | Maximum dynamic radial load |
F0r | 10.8 kN | Maximum static radial load |
nD G | 4500 r/min | Limiting speed |
≈m | 0.071 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 | |
Sheet steel | 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 |
NATR12 | NART12R | NATR12 | FYCJ-12R | CXM12RM | MCYRR 12 | MYR12 |
Bearing tolerances and clearances