向心关节轴承公差
tolerances for radial spherical plain bearings　
1>.向心关节轴承公差（除 pb, gebj…s外） tolerances for radial spherical plain bearings(except for series pb...,gebj...s)
带 * 号为 ge…lo 的公差 the deviations in the columns with symbol*apply to spherical plain bearings of series ge…lo.
外圈 outer ring
2>.pb...公差 tolerances for series pb…
内圈 inner ring
外圈 outer ring
3>. gebj...s 公差 tolerances for series gebj...s,
内圈 inner ring
外圈 outer ring
尺寸和公差符号 the symbols of dimension and tolerance
d: 轴承公称内径。 bearing bore diameter, nominal.
△dmp: 单一平面平均内径偏差。 single plane mean bore diameter deviation.
vdp: 单一径向平面内径变动量。 bore diameter variation in a single radial plane.
vdmp: 平均内径变动量： mean bore diameter variation.
△bs: 内圈单一宽度偏差 .deviation of a single width of the inner ring.
b: 内圈公称宽度。 width of inner ring, nominal.
d: 轴承公称外径。 bearing outside diameter, nominal.
△dmp: 单一平面平均外径偏差。 single plane mean outside diameter deviation.
vdp: 单一径向平面外径变动量。 outside diameter variation in a single radial plane.
vdmp: 平均外径变动量。 mean outside diameter variation.
△cs: 外圈单一宽度偏差。 deviation of a single width of the outer ring.
c: 外圈公称宽度。 width of ourer ring, nominal.
△ts: 角接触关节轴承实际宽度偏差。 actual deviation of width of the angular contact spherical plain bearing.
△hs: 推力关节轴承实际高度偏差。 actual deviation of height of the spherical plain thrust bearing.
hs,△h1s: 杆端关节轴承或球头杆端关节轴承中心高偏差。 center height deviation of rodends or ball joint rod ends.