Cups–Inch

Single row tapered roller bearings are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads. This series contains (Bearings, Cones, Cups) three combinations can be selected

Part Number	Outer Dia	Cup Width	Cup Frontface Backing Diamete	Cup Backface Backing Diameter	Ring Material
28527RB	3.9368"	0.7813"	3.90"	3.39"	52100 Chrome Steel
25547RB	3.9368"	0.8125"	3.85"	3.19"	52100 Chrome Steel
3731	3.9362"	0.9375"	3.62"	3.35"	52100 Chrome Steel
28919	3.9362"	0.75"	3.82"	3.54"	52100 Chrome Steel
LL713110	3.9062"	0.5118"	3.76"	3.58"	52100 Chrome Steel
LL713010	3.875"	0.375"	3.74"	3.62"	52100 Chrome Steel
HM903216	3.875"	0.875"	3.66"	3.23"	52100 Chrome Steel
53387X	3.875"	0.8125"	3.62"	3.23"	52100 Chrome Steel
53387	3.875"	0.8125"	3.62"	3.23"	52100 Chrome Steel
382	3.875"	0.7018"	3.66"	3.54"	52100 Chrome Steel
3732	3.875"	0.9375"	3.56"	3.31"	52100 Chrome Steel
28623	3.875"	0.7656"	3.68"	3.46"	52100 Chrome Steel
28622P	3.8437"	0.7656"	3.66"	3.46"	52100 Chrome Steel
28622A	3.8437"	0.7656"	3.66"	3.39"	52100 Chrome Steel
28622	3.8437"	0.7656"	3.66"	3.46"	52100 Chrome Steel
382A	3.8125"	0.625"	3.66"	3.50"	52100 Chrome Steel
382-S	3.8125"	0.7982"	3.62"	3.43"	52100 Chrome Steel
372A	3.8125"	0.75"	3.56"	3.39"	52100 Chrome Steel
28621	3.8125"	0.7656"	3.66"	3.46"	52100 Chrome Steel
HM903210	3.75"	0.875"	3.62"	3.19"	52100 Chrome Steel
HM804811	3.75"	0.9063"	3.62"	3.27"	52100 Chrome Steel
HM804810	3.75"	0.9063"	3.62"	3.19"	52100 Chrome Steel
53377	3.75"	0.8125"	3.54"	3.15"	52100 Chrome Steel
53375	3.75"	0.8125"	3.54"	3.19"	52100 Chrome Steel
432X	3.75"	1.0313"	3.46"	3.19"	52100 Chrome Steel
432A	3.75"	0.875"	3.46"	3.31"	52100 Chrome Steel
432	3.75"	0.875"	3.46"	3.27"	52100 Chrome Steel
3726	3.75"	0.9375"	3.54"	3.27"	52100 Chrome Steel
33822	3.75"	0.875"	3.56"	3.39"	52100 Chrome Steel
33821	3.75"	0.875"	3.56"	3.35"	52100 Chrome Steel

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