9278/9220 tapered roller bearing cad drawing
  1. The assembly part number lists the cone part number first and then the cup part number.

9278_9220 Inch Series Tapered Roller Bearing

Model: 9278/9220

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Product Details

Bearing Type single row assembly
Bore Dia (d) 2.6875 in
Outer Dia (D) 6.3750 in
Width (B) 1.9375 in
Outer Width (Bo) 1.2500 in
Inner Width (Bi) 1.8125 in
Radius (min) (rs) 0.138 in
Radius (min) (rs1) 0.130 in
Weight (g) 4,540.00 grams
Material 52100 chrome steel or equiavelent

All information in this catalog has been thoroughly checked for accuracy. However, the catalog data should not be relied upon entirely for design and development purposes. AST Bearings assumes no liability for possible errors or omissions. All dimensions and specifications are subject to change without notice. Contact AST Bearings for the most current catalog data as it applies to you and for your application.