Bearing tolerances and clearances
- Tolerances: Normal, P6, P5
- Internal clearance: Single row track rollers, Double row track rollers
gothic arch groove profiled track rollers LFR5206-25-2Z, LFR5206-25 KDD, double row, shields on both side
dS | 25 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 | 43.5 mm | Linear shaft center to bore center |
Da | 65.35 mm | Rolling contact diameter |
rmin | 1 mm | Chamfer dimension |
Cr | 22700 N | Effective dynamic load rating as track roller (radial) |
C0r | 16120 N | Effective static load rating as track roller (radial) |
Pu | 850 N | Fatigue limit load |
Fr | 18800 N | Maximum dynamic load rating as track roller (radial) |
F0r | 32000 N | Maximum static load rating as track roller (radial) |
≈m | 0.43 kg | Weight |
52100 | 100Cr6 | GCr15 | Ring and ball material | |
Nylon 66 | Retainer material | |
Shields | 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 | Concentric bolt | |
LFE25x82A1 | Eccentric bolt |
Compliant | RoHS | |
Compliant | REACH |
INA | NIKO | JESA |
LFR5206-25 KDD LFR5206-25-2Z | LFR5206-25 2Z | LRG 25-72-25 2RZ |
Bearing tolerances and clearances