Bearing tolerances and clearances
- Tolerances: Normal, P6, P5
- Internal clearance: Single row track rollers, Double row track rollers
Yoke track roller (Cam roller) LR208-2RS, single row, seals on both side, crowned running surface
Crowned running surface | Design |
d | 40 mm | Bore diameter |
D | 85 mm | Outside diameter |
B | 18 mm | Roller width |
R | 500 | Outer ring profile |
rmin | 1.1 mm | Chamfer dimension |
C | 23.7 kN | Basic dynamic load rating |
C0 | 14.1 kN | Basic static load rating |
Pu | 0.56 kN | Fatigue load limit |
Fr | 13.2 kN | Maximum dynamic radial load |
F0r | 22.7 | Maximum static radial load |
nD G | 4000 r/min | Limiting Speed |
≈m | 0.45 kg | Weight |
Gr | 0.005~0.024 mm | Radial clearance (mm) |
P6 (ABEC-3) | Dimensional tolerances | |
P6 (ABEC-3) | Radial run-out |
100Cr6 | 52100 | GCr15 | Ring and ball material | |
Nylon (PA66) | Retainer material | |
Seals | Sealing solution | |
Shell Alvania EP2 | Grease | |
-20°C to +120°C | Temperature range °C | |
-4°F to +248°F | Temperature range °F |
INA | SKF | NSK |
LR208 NPPU LR208-2RS | 361208R | LB6208-2RSR |
Bearing tolerances and clearances