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Table 41:
Stainless steel ball bearing
SR series
Inch size
Boundary dimensions Mass
Bearing Number d D B Is min (Approx.)
in mm in mm in mm in mm (kg)
SR6 42071 9.525 42193 22.225 0.2189 5.56 0.016 0.4 11
SR8 SR8-2RS SR8-ZZ 42006 12.7 42006 28.575 0.25 6.35 0.016 0.4 18
SR10 SR10-2RS SR10-ZZ 42132 15.875 42132 34.925 0.2181 5.54 0.031 0.8 37
SR12 SR12-2RS SR12-ZZ 42067 19.05 42067 41.275 0.3126 7.94 0.031 0.8 47
SR14 SR14-2RS SR14-ZZ 42193 22.225 42193 47.625 0.3752 9.53 0.031 0.8 71
SR16 SR16-2RS SR16-ZZ 1 25.4 1 50.8 0.3752 9.53 0.031 0.8 85
SR18 SR18-2RS SR18-ZZ 36899 28.575 36899 53.975 0.3752 9.53 0.031 0.8 90
SR20 SR20-2RS SR20-ZZ 36895 31.75 36895 57.15 0.3752 9.53 0.031 0.8 95
SR22 SR22-2RS SR22-ZZ 36958 34.925 36958 63.5 0.4374 11.11 0.031 0.8 106
SR24 SR24-2RS SR24-ZZ 36893 38.1 36893 66.675 0.4374 11.11 0.031 0.8 141
Boundary dimensions Mass
Bearing Number d D B Is min (Approx.)
in mm in mm in mm in mm (kg)
SR0 3/64 1.191 5/32 3.969 0.0626 1.59 0.004 0.1 0.09
SR1 0.055 1.397 42079 4.763 0.078 1.98 0.004 0.1 0.17
SR133 SR133-ZZ 3/32 2.381 42079 4.763 0.0626 1.59 0.004 0.1 0.12
SR144 SR144-ZZ 42012 3.175 42008 6.35 0.0937 2.38 0.004 0.1 0.27
SR2 SR2-2RS SR2-ZZ 42012 3.175 42071 9.525 0.1563 3.97 0.012 0.3 1.5
SR2A SR2A-ZZ 42012 3.175 42006 12.7 0.172 4.37 0.012 0.3 3.2
SR155 SR155-ZZ 5/32 3.969 42140 7.938 0.1094 2.78 0.004 0.1 0.5
S156 SR156-ZZ 42079 4.763 42140 7.938 0.1094 2.78 0.004 0.1 0.5
S166 SR166-ZZ 42079 4.763 42071 9.525 0.1252 3.18 0.004 0.1 1
SR3 SR3-2RS SR3-ZZ 42079 4.763 42006 12.7 0.1563 3.97 0.012 0.3 2.3
SR3A SR3A-ZZ 42079 4.763 42006 12.7 0.1961 4.98 0.012 0.3 2.7
SR168 SR168-ZZ 42008 6.35 42071 9.525 0.1252 3.18 0.004 0.1 0.5
SR188 SR188-ZZ 42008 6.35 42006 12.7 0.1252 3.18 0.006 0.15 1.8
SR4 SR4-2RS SR4-ZZ 42008 6.35 42132 15.875 0.1961 4.98 0.012 0.3 4.5
SR4A SR4A-ZZ 42008 6.35 42067 19.05 0.2189 5.56 0.016 0.4 7.7
SR1038-ZZ 42071 9.525 42132 15.875 0.1563 3.97
SR1212-ZZ 42006 12.7 42067 19.05 0.1563 3.97
SR1458-ZZ 42132 15.875 42193 22.225 0.1563 3.97
SR1810-ZZ 42140 7.938 42006 12.7 0.1563 3.97