Bearing tolerances and clearances
- Tolerances: Normal, P6, P5
- Internal clearance: Single row track rollers, Double row track rollers
gothic arch groove profiled track rollers LFR5201-10-2RS, LFR5201-10 NPP, double row, seals on both side
chmotion LFR5201-10-2RS Gothic Arch Track Roller
Heavy-Duty Double Row Sealed Roller for Precision Linear Systems
Key Advantages
12mm large bore design: Compatible with LFZ12/LFE12-1 mounting bolts
Exceptional load capacity: 8300N max static load (F0r) + 4500N max dynamic load (Fr)
Dual-row Gothic arch profile: 32.25mm rolling contact diameter (Da) ensures smooth operation
Maintenance-free sealing: Bilateral contact seals (2RS) with Kyodo Yushi Multemp SRL grease
Extended temperature range: Reliable performance from -30°C to +120°C
Critical Specifications
Bore diameter: 12 mm
Outside diameter: 35 mm
Width: 15.9 mm
Shaft-to-bore center: 20.65 mm
Weight: 0.08 kg
Cross-Reference Compatibility
Typical Applications
Heavy-duty automation systems
Industrial robot articulation
Conveyor guide rails
Construction equipment linear guides
| dS | 10 mm | Linear shaft diameter |
| d | 12 mm | Bore diameter |
| D | 35 mm | Outside diameter |
| B | 15.9 mm | Inner ring width |
| C | 15.9 mm | Outer ring width |
| AT | 20.65 mm | Linear shaft center to bore center |
| Da | 32.25 mm | Rolling contact diameter |
| rmin | 0.6 mm | Chamfer dimension |
| Cr | 8300 N | Effective dynamic load rating as track roller (radial) |
| C0r | 5000 N | Effective static load rating as track roller (radial) |
| Pu | 250 N | Fatigue limit load |
| Fr | 4500 N | Maximum dynamic load rating as track roller (radial) |
| F0r | 8300 N | Maximum static load rating as track roller (radial) |
| ≈m | 0.08 kg | Weight |
| 52100 | 100Cr6 | GCr15 | 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 | |
| N/A | Re-lubrication |
| P6 (ABEC-3) | Dimension tolerance | |
| P5 (ABEC-5) | Radial run-out | |
| Normal | Internal radial clearance |
| LFZ12 | Concentric bolt | |
| LFE12-1 | Eccentric bolt |
| Compliant | RoHS | |
| Compliant | REACH |
| INA | REXROTH | NIKO | NADELLA | JESA | PBC |
| LFR5201-10-2RS LFR5201-10 NPP LFR 5201 NPP | R1900 152 00 | LFR5201-10 2RS | GLA35.10 | LRG 12-35-10 2RS | R65EC |
Bearing tolerances and clearances
