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.