LFR50/5-4N-2Z

chmotion LFR50/5-4N-2Z Gothic Arch Track Roller
Compact Double-Row Track Roller with 4mm Shaft & 5mm Bore for High-Precision Applications

Key Advantages

• Double row design with 4N inner ring: Enhanced stability and load capacity in a miniature footprint
• Sealed with 2Z shields on both sides: Effective protection against contamination for long service life
• High precision P5 (ABEC-5) radial runout: Ensures smooth, accurate, and repeatable linear motion
• Robust load ratings for size: 1700N max static load (F0r) & 1300N max dynamic load (Fr)
• Extended inner ring (AT=9mm): Provides greater mounting flexibility and clearance

Critical Specifications

• Shaft diameter (dS): 4 mm
• Bore diameter (d): 5 mm
• Outside diameter (D): 16 mm
• Overall width (L): 8.5 mm
• Shaft center distance (AT): 9 mm
• Weight: 0.008 kg
• Temperature range: -30°C to +120°C

Design Features

• Double row ball complement for increased rigidity
• 2Z non-contact shields on both sides for low-torque, sealed operation
• Made from 100Cr6 bearing steel for durability
• Pre-lubricated with Kyodo Yushi Multemp SRL grease
• RoHS & REACH compliant

Industrial Applications

• Miniature and micro automation systems
• Precision optical and measuring equipment
• Small-scale laboratory automation
• Compact medical and dental device actuators
• High-precision 3D printer components