Angular contact ball bearings, four-point contact ball bearings QJ 212 N2MA
Bearing number : QJ 212 N2MA
Size (mm) : 60x110x22
Brand : SKF
Bore Diameter (mm) : 60
Outer Diameter (mm) : 110
Width (mm) : 22
Bearing dimensions and specification in SKF catalogue:
d - 60 mm
D - 110 mm
B - 22 mm
d1 - - 72 mm
D1 - - 93 mm
a - 60 mm
h - 5 mm
b - 6.5 mm
r0 - 0.5 mm
r1,2 - min. - 1.5 mm
da - min. - 69 mm
Da - max. - 101 mm
ra - max. - 1.5 mm
Basic dynamic load rating - C - 96.5 kN
Basic static load rating - C0 - 93 kN
Fatigue load limit - Pu - 4 kN
Reference speed - 7500 r/min
Limiting speed - 10000 r/min
Calculation factor - ka - 1
Calculation factor - e - 0.95
Calculation factor - X - 0.6
Calculation factor - Y0 - 0.58
Calculation factor - Y1 - 0.66
Calculation factor - Y2 - 1.07
Mass bearing - 0.99 kg
WBA - Stop fake bearin
WBA is a non-profit and unincorporated industrial association. It was founded in 2006 by three major, regional bearing associations: The American Bearing Manufacturers Association (ABMA), the Federation of European Bearing Manufacturers' Associations (FEBMA) and the Japan Bearing Industry Association (JBIA).
Where are your bearings coming from? - skf.c
real SKF bearing – but your machine will! Fig. 1 Fig. 2 Fig. 3 Fig. 1. Fresh out of “production line” the Fig. 4 counterfeit bearings looks good on the surface. Fig. 2 and 3. The photos shows the condition of a counterfeit bearing used for less than 40 hours in a crusher application. A second bearing was just in black pieces. Fig. 4.
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Horton Bearing Services is one of the largest professional stockists, distributors and retailers of bearings and seals in South East Asia and the Far East. It primarily caters to the NSK TIMKEN FAG SKF Wholesale; Maintenance, Repair, and Overhaul (MRO); and Original Equipment Manufacturers (OEM) markets.