Timken387/382-BTapered Roller Bearing Cone and Flanged Cup Set – 2.2500 in Bore, 3.8125 in Outside Diameter, 108,000 N Dynamic Load Rating

Product Description

What this part is:

Timken 387/382-B inch tapered roller bearing set, a TSF assembly pairing the 387 single cone with the 382-B single flanged cup. Unit Quantity: 2 Pcs, one 387 cone and one 382-B flanged cup supplied together as the set.

Decoding the designation:

387 — the cone number, fixing the 2.2500 in bore and the raceway angle.

382-B — the cup number. The B marks a flanged outer ring, a distinct part from the plain 382 and from the 382A.

Specifications:

Bore Diameter: 2.2500 in (57.150 mm). Outside Diameter: 3.8125 in (96.838 mm). Cone Width: 0.8640 in (21.946 mm). Cup Width: 0.7018 in (17.826 mm). Series: 380. Base Number: 387. Rolling Elements: Tapered Roller. Number Of Rows: 1. Bore Type: Straight. Bearing Material: Case-Carburized Steel. Dynamic Load Rating: 108,000 N (24,200 lbf) at 1 million revolutions. Static Load Rating: 107,000 N (24,100 lbf). Dynamic Radial Rating C90: 28,000 N (6,280 lbf). Dynamic Axial Rating Ca90: 16,900 N (3,810 lbf). K Factor: 1.65. e Factor: 0.35. Y Factor: 1.69. G1 Factor: 42. G2 Factor: 15.7. Geometry Factor (Cg): 0.0859. Item Weight: 2.515 kg (5.54 lb) cone and 0.8 kg (1.7 lb) cup. Design Units: Imperial. Country of Origin: United States.

Dimensions and mounting:

Outer Ring Flange Outside Diameter (D1): 3.996 in (101.498 mm). Outer Ring Flange Width (C2): 0.1875 in (4.763 mm). Effective Center Location: -0.12 in (-3 mm). Max Shaft Fillet Radius: 0.09 in (2.3 mm). Max Housing Fillet Radius: 0.03 in (0.8 mm). Shaft Backing Shoulder Diameter, frontface (da): 2.48 in (63 mm). Shaft Backing Shoulder Diameter, backface (db): 2.64 in (67 mm). Housing Backing Shoulder Diameter, frontface (Da): 3.74 in (95 mm). Cage Location relative to backface (Aa): 0.03 in (0.8 mm). Cage Location relative to frontface (Ab): 0.11 in (2.8 mm).

Compatibility and replacement:

Flanged cup 382-B is a distinct part from the plain 382 and the 382A cups, which are listed as related plain cups for the 387 cone. Designation forms: 387/382B, 387 / 382-B, 387 382 B, 382-B.

Frequently asked questions:

What are the dimensions of the Timken 387/382-B set?

Bore 2.2500 in (57.150 mm), outside diameter 3.8125 in (96.838 mm), cone width 0.8640 in, cup width 0.7018 in.

What is the dynamic load rating of the Timken 387/382-B?

Dynamic Load Rating 108,000 N (24,200 lbf) at 1 million revolutions. Static Load Rating 107,000 N (24,100 lbf).

What does the B in 382-B mean?

The B marks a flanged outer ring, a distinct part from the plain 382 and from the 382A. Outer Ring Flange Outside Diameter (D1): 3.996 in.