Bearing tolerances and clearances
- Tolerances: Normal, P6, P5
- Internal clearance: Single row track rollers, Double row track rollers
gothic arch groove profiled track rollers LFR5206-20-2Z, LFR5206-20 KDD, double row, shields on both side
chmotion LFR5206-20-2Z Gothic Arch Track Roller
Double-Row Linear Roller with 20mm Shaft Diameter & 25mm Bore
Key Advantages
Critical Specifications
Design Features
Industrial Applications
| 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 |
| 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 |
| LFR5206-20 KDD LFR5206-20-2Z | LFR5206-20 2Z | LRG 25-72-20 2RZ |
Bearing tolerances and clearances
