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 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.
