3781/3730 tapered roller bearing cad drawing
  1. The assembly part number lists the cone part number first and then the cup part number.

3781_3730 Inch Series Tapered Roller Bearing

Model: 3781/3730

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Product Details

Bearing Type single row assembly
Bore Dia (d) 1.9375 in
Outer Dia (D) 3.6718 in
Width (B) 1.1875 in
Outer Width (Bo) 0.9375 in
Inner Width (Bi) 1.1930 in
Radius (min) (rs) 0.138 in
Radius (min) (rs1) 0.031 in
Weight (g) 833.00 grams
Material 52100 chrome steel or equiavelent