Bearing tolerances and clearances
- Tolerances: Normal, P6, P5
- Internal clearance: Single row track rollers, Double row track rollers
gothic arch groove profiled track rollers LFR5206-20-2RS, double row, seals on both side, 440 stainless steel, corrosion resistance
dS | 20 mm | Linear shaft diameter |
d | 25 mm | Bore diameter |
D | 72 mm | Outside diameter |
B | 25.8 mm | Inner ring width |
C | 23.8 mm | Outer ring width |
AT | 41 mm | Linear shaft center to bore center |
Da | 64.68 mm | Rolling contact diameter |
rmin | 1 mm | Chamfer dimension |
Cr | 23200 N | Effective dynamic load rating as track roller (radial) |
C0r | 16500 N | Effective static load rating as track roller (radial) |
Pu | 870 N | Fatigue limit load |
Fr | 20800 N | Maximum dynamic load rating as track roller (radial) |
F0r | 33000 N | Maximum static load rating as track roller (radial) |
≈m | 0.43 kg | Weight |
440C | X105CrMo17 | 1.4125 | Ring and ball material | |
Nylon 66 | Retainer material | |
Contact seals | Sealing solution | |
Kyodo Yushi Multemp SRL | Grease | |
-30ºC to +120ºC | Temperature range °C | |
-22ºF to +250ºF | Temperature range °F | |
Inner ring with a lubrication hole | Re-lubrication |
P6 (ABEC-3) | Dimension tolerance | |
P5 (ABEC-5) | Radial run-out | |
Normal | Internal radial clearance |
LFZ25x82A1-RB | Concentric bolt | |
LFE25x82A1-RB | Eccentric bolt |
Compliant | RoHS | |
Compliant | REACH |
INA | JESA |
LFR5206-20-X-2RS LFR5206-20-2RS-RB | SLRG 25-72-20 2RS |
Bearing tolerances and clearances