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Inner Rings for Thrust Roller Bearings
Inner Rings for Thrust Roller Bearings - Dimensions
Unit of Measure
1 2 3 

Item #

d

d1 (-0.2/-0.5)

B

r

WS81100 N/A 0.3937 in10 mm N/A 0.9449 in24.000 mm N/A 0.1083 in2.750 mm N/A 0.0118 in0.300 mm
WS81101 N/A 0.4724 in12.000 mm N/A 1.0236 in26 mm N/A 0.1083 in2.750 mm N/A 0.0118 in0.300 mm
WS81102 N/A 0.5906 in15.000 mm N/A 1.1024 in28 mm N/A 0.1083 in2.750 mm N/A 0.0118 in0.300 mm
WS81103 N/A 0.6693 in17.000 mm N/A 1.1811 in30 mm N/A 0.1083 in2.750 mm N/A 0.0118 in0.300 mm
WS81104 N/A 0.7874 in20.000 mm N/A 1.378 in35 mm N/A 0.1083 in2.750 mm N/A 0.0118 in0.300 mm
WS81105 N/A 0.9843 in25.000 mm N/A 1.6535 in42.000 mm N/A 0.1181 in3.000 mm N/A 0.02360 in0.600 mm
WS81106 N/A 1.1811 in30.000 mm N/A 1.8504 in47.000 mm N/A 0.1181 in3.000 mm N/A 0.02360 in0.600 mm
WS81107 N/A 1.3780 in35.000 mm N/A 2.04720 in52.000 mm N/A 0.1378 in3.500 mm N/A 0.02360 in0.600 mm
WS81108 N/A 1.5748 in40.000 mm N/A 2.3622 in60.000 mm N/A 0.1378 in3.500 mm N/A 0.02360 in0.600 mm
WS81109 N/A 1.7717 in45.000 mm N/A 2.5591 in65 mm N/A 0.1575 in4.000 mm N/A 0.02360 in0.600 mm
WS81110 N/A 1.9685 in50.000 mm N/A 2.7559 in70.000 mm N/A 0.1575 in4.000 mm N/A 0.02360 in0.600 mm
WS81111 N/A 2.1654 in55.000 mm N/A 3.0709 in78.000 mm N/A 0.1969 in5.000 mm N/A 0.02360 in0.600 mm
WS81112 N/A 2.3622 in60.000 mm N/A 3.3465 in85.000 mm N/A 0.1870 in4.750 mm N/A 0.03940 in1.000 mm
WS81113 N/A 2.5591 in65.000 mm N/A 3.54330 in90.000 mm N/A 0.2067 in5.250 mm N/A 0.03940 in1.000 mm
WS81114 N/A 2.7559 in70.000 mm N/A 3.7402 in95.000 mm N/A 0.2067 in5.250 mm N/A 0.03940 in1.000 mm
WS81115 N/A 2.9528 in75.000 mm N/A 3.93700 in100.000 mm N/A 0.2264 in5.750 mm N/A 0.03940 in1.000 mm
WS81116 N/A 3.1496 in80.000 mm N/A 4.1339 in105.000 mm N/A 0.2264 in5.750 mm N/A 0.03940 in1.000 mm
WS81117 N/A 3.3465 in85.000 mm N/A 4.33070 in110.000 mm N/A 0.2264 in5.750 mm N/A 0.03940 in1.000 mm
WS81118 N/A 3.5433 in90.000 mm N/A 4.72440 in120.000 mm N/A 0.2559 in6.500 mm N/A 0.03940 in1.000 mm
WS81120 N/A 3.9370 in100.000 mm N/A 5.3150 in135.000 mm N/A 0.2756 in7 mm N/A 0.03940 in1.000 mm
WS81122 N/A 4.3307 in110.000 mm N/A 5.7087 in145.000 mm N/A 0.2756 in7 mm N/A 0.03940 in1.000 mm
WS81124 N/A 4.7244 in120.000 mm N/A 6.1024 in155.000 mm N/A 0.2756 in7 mm N/A 0.03940 in1.000 mm
WS81126 N/A 5.1181 in130.000 mm N/A 6.69290 in170.000 mm N/A 0.3543 in9 mm N/A 0.03940 in1.000 mm
WS81128 N/A 5.5118 in140.000 mm N/A 7.0079 in178.000 mm N/A 0.3740 in9.500 mm N/A 0.03940 in1.000 mm
WS81130 N/A 5.9055 in150.000 mm N/A 7.4016 in188.000 mm N/A 0.3740 in9.500 mm N/A 0.03940 in1.000 mm
Unit of Measure
1 2 3