NADELLA Type Linear Guide Roller Bearing
Changzhou Xuanmao Bearing
We supply heavy‑duty linear guide rollers interchangeable with NADELLA RKU75, RKUR75, RKU95, RKUR95, RKU115, RKUR115 (Heavy‑Line System). These are concentric / eccentric locating guide rollers built with tapered roller bearings, convex raceway (radius R=400), double‑sided sealed, for heavy linear motion systems.
Structure: Guide roller + tapered roller bearing
Type:RKU: concentric (fixed center) RKUR: eccentric (adjustable center)
Rolling way: convex profile, side radius R=400
Seal: double‑sided rubber seal, dust‑proof & water‑resistant
Material: high‑carbon chromium bearing steel, hardened & ground
Load capacity (reference): RKU75: dynamic 69 kN RKU95: dynamic 134 kN RKU115: dynamic 190 kN
Operating temperature: −20°C to +80°C
Shaft speed: up to 4 m/s (heavy‑duty working condition)
Operating Environment: Suitable for heavy loads, high rigidity, harsh environments:
Heavy automation lines, automated storage & retrieval systems (AS/RS),stackers, lifting equipment, logistic conveyors
Machine tools, metallurgical machinery, foundry equipment
Long working life, low maintenance, strong shock resistance
Our Service
Xuanmao own brand with stable quality & competitive price
OEM / ODM manufacturing accept drawings, samples, custom branding
Interchangeable with NADELLA dimensions, ready for assembly
Full sizes in stock: RKU75, RKUR75, RKU95, RKUR95, RKU115, RKUR115