
634ZZ - Genuine NMB R-1640HH bearing
We use these quality and reliable bearings in our products for extra smooth and super fast movement of your device components: Super Speedy M4 Delrin wheels 23.89 mm Super Speedy M4 polycarbonate (PC) wheels 23.89 mm Super Speedy M4 POM idler Super Speedy M4 Delrin W-wheels 24.40 mm Bearing type: 634ZZ Manufacturer type: R-1640HH Quality standard: P5 (Class 5, ABEC5) Bearing brands: NMB (Minebea Mitsumi, Japan) Bearing type: EMQ (low noise level) Lubricant: LY121 (Grease: ester oil + lithium soap thickener) Operating temperature range -40+120°C (-40+248°F) RPM rating 40,000 Dynamic load rating Cr: 1735 N Static load rating Cor: 671 N Bore: 4mm (metric M4) OD: 16mm Width: 4mm Ball size: 2.778mm Ball Complement: 7 Material: Chrome Steel SAE-52100 Warranty period: 18 months from the date of purchase or within 50,000 km, whichever is sooner.