Bearing tolerances and clearances
- Tolerances: Normal, Other,
- Radial Internal clearance: Needle roller bearing
Support roller (yoke-type track roller), separable, with cage, with two side plates, open, NAST30ZZ, NABR30X, CZM30, NAST30P-2Z, STO30ZZ.DZ
D | 62 mm | Outside diameter |
d | 30 mm | Bore diameter |
B | 20 mm | Width inner ring |
C | 19.8 mm | Width outer ring |
d1 | 50.5 mm | Outside diameter flange ring |
e | 4 mm | e |
f | 1.2 mm | f |
h | 3 mm | Lubrication hole diameter |
C | 22.9 kN | Basic dynamic load rating |
C0 | 34.5 kN | Basic static load rating |
Pu | 4.25 kN | Fatigue load limit |
Fr | 23.6 kN | Maximum dynamic radial load |
F0r | 33.5 kN | Maximum static radial load |
nD G | 5500 r/min | Limiting speed |
≈m | 0.4 kg | Weight |
-30 ºC to +120 ºC | Temperature range °C | |
-22 ºF to +250 ºF | Temperature range °F |
Cylindrical | 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 | |
Open | Sealing type | |
Lithium Soap Grease NLGI #2 | Grease | |
With | Re-lubrication |
P0(ABEC-1) | Tolerance class | |
CN | Radial internal clearance |
IKO・THK | NTN | KOYO | INA・SKF | FAG | Torrington |
NAST30ZZ | NABR30X | CZM30 | NAST30P-2Z | STO30ZZ.DZ | STO30ZZ.DZ |
Bearing tolerances and clearances