Bearing tolerances and clearances
- Tolerances: Normal, P6, P5
- Internal clearance: Single row track rollers, Double row track rollers
gothic arch groove profiled track rollers LFR5201-12-2RS, LFR5201-12 NPP, double row, seals on both side
chmotion LFR5201-12-2RS Gothic Arch Track Roller
Heavy-Duty Double-Row Sealed Roller for Demanding Linear Applications
Key Advantages
Bilateral contact seals (2RS): Superior contamination protection in harsh environments
8200N max static load (F0r): Optimized for high-load industrial systems
Precision geometry: 33.1mm rolling contact diameter (Da) + 21.75mm shaft center (AT)
Universal bolt compatibility: Fits LFZ12x45A1 concentric/eccentric bolts
Extended service life: Pre-lubricated with Kyodo Yushi Multemp SRL grease
Core Specifications
Bore diameter: 12 mm
Outside diameter: 35 mm
Width: 15.9 mm
Weight: 0.085 kg
Temperature range: -30°C to +120°C
Radial runout: P5 (ABEC-5) precision
Cross-Reference Compatibility
Industrial Applications
Heavy automation equipment
Robotic welding arms
Assembly line conveyors
Industrial press guide systems
| dS | 12 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 | 21.75 mm | Linear shaft center to bore center |
| Da | 33.1 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 | 8200 N | Maximum static load rating as track roller (radial) |
| ≈m | 0.085 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 |
| LFZ12x45A1 | Concentric bolt | |
| LFZ12x45A1 | Eccentric bolt |
| Compliant | RoHS | |
| Compliant | REACH |
| INA | NIKO | NADELLA | JESA |
| LFR5201-12 NPP LFR5201-12-2RS | LFR5201-12 2RS | GLA35.12 | LRG 12-35-12 2RS |
Bearing tolerances and clearances
