390A/394A tapered roller bearing cad drawing
  1. The assembly part number lists the cone part number first and then the cup part number.

390A_394A Inch Series Tapered Roller Bearing

Model: 390A/394A

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Product Details

Bearing Type single row assembly
Bore Dia (d) 2.5000 in
Outer Dia (D) 4.3307 in
Width (B) 0.8661 in
Outer Width (Bo) 0.7411 in
Inner Width (Bi) 0.8660 in
Radius (min) (rs) 0.059 in
Radius (min) (rs1) 0.051 in
Weight (g) 876.00 grams
Material 52100 chrome steel or equiavelent