NingBo KaiCheng Bearings Manufacturing Co., Ltd. founded in 1988, It's specialized in manufacturing deep groove ball bearings, tapered roller bearings, automobile bearings, tolerances for spherical plain bearing, tolerances for spherical plain bearings etc. The high speed and low noise bearings is our mainly produces of EMQ bearings. We are own our brand of "CIE", It is of advanced productive technique, consummate device and complete testing means. As well as we have powerful strength for new products, tolerances for spherical plain bearing, tolerances for spherical plain bearings and special bearings development. Form last year, We are sales about Seventy million US$ for export, About 90% produce in our factory is for export.

1.Symbol
d:Bearing bore diameter of shank diameter, nominal.
dmp:Single plane mean bore diameter of shaft diameter deviation.
Vdp:Bore diameter variation in a single radial plane.
Vdmp:Mean bore diameter variation.
Bs:Deviation of a single width of the inner ring.
B:Vidth of inner ring, nominal.
D:Bearing outside diameter or housing washer outside diameter, nominal.
Dmp:Single plane mean outside diameter deviation.
Cs:Deviation of a single width of the outer ring.
C:Width of outer ring, nominal.
Ts:Actual diviation of width of the angular contact spherical plain bearing.
Hs:Actual deviation of height of the spherical plain thrust bearing.
hs:his:Centre height deviation of rod ends of ball joint rod ends.

tolerances for spherical plain bearing, tolerances for spherical plain bearings

2.Spherical plain radial bearings