Heavy Duty Linear Rail HVR-6-2000 - U-Channel 2000mm for Hevi-Rail Linear Guide Roller HVB-063 Simplicity Bearing the resin retainer effectively reduces

the resin retainer effectively reduces noise during operation

4 Double Row Roller Bearings made of Carbon Steel

but the TWN blocks are twice thee size

Inner Diameter (ID): 40mm

Heavy Duty Linear Rail HVR-6-2000 - U-Channel 2000mm for Hevi-Rail Linear Guide Roller HVB-063 Simplicity Bearing the resin retainer effectively reducesU Channel Heavy Duty Linear Rail made of steel and 2000mm long, for roller bearings HVB 063 and HVBEA 463 (eccentric adjustable) of the Hevi Rail linear guide system. The rail specifically consists of 18MnNb6 ferritic steel (yield: 430 N mm, tensile: 550 770 N mm, Brinell hardness: 160 210). Hevi Rail guides feature interchangeable components for even force dispersion. Linear Rail only Compatible with wheel part number HVB 063 and HVBEA 463 201. 5mm