Timken477/472Single-Row Tapered Roller Bearing, Cone and Cup, 2-1/2 in Bore x 4.7244 in OD

Product Description

What this part is:

Timken 477/472 single-row (TS) tapered roller bearing set: one 477 cone with its tapered rollers and cage, and one 472 cup. Both halves, one complete bearing. Bore Diameter: 2.5000 in (63.50 mm). Cup Outside Diameter: 4.7244 in. Cone Width: 1.1420 in. Cup Width: 0.9543 in. Rolling Elements: Tapered Roller. Number Of Rows: 1. Unit Quantity: 1 Set. Country of Origin: United States.

Decoding the designation:

477 — Timken cone number, 2-1/2 in bore.

472 — Timken cup number, 4.7244 in outside diameter.

477/472 — Timken writes a tapered roller bearing as cone over cup; the two numbers together identify one complete TS single-row bearing.

Specifications:

Bearing Type: tapered roller bearing, TS single row, cone and cup set. Cone Part Number: 477. Cup Part Number: 472. Dynamic Load Rating: 143,000 N (32,200 lbf), C1 on the ISO one-million-revolution basis. Static Load Rating: 186,000 N (41,900 lbf). Dynamic Radial Rating C90: 37,200 N (8,360 lbf). Dynamic Axial Rating Ca90: 24,500 N (5,500 lbf), on Timken’s ninety-million-revolution basis. K Factor: 1.52. G1 Factor: 77.2. G2 Factor: 23. Geometry Factor Cg: 0.108. Harmonization Code: 8482.20.00.

Dimensions and mounting:

Bore Diameter: 2.5000 in (63.50 mm). Cup Outside Diameter: 4.7244 in. Cone Width: 1.1420 in (29.007 mm). Cup Width: 0.9543 in. Effective Center Location: −0.16 in (−4.1 mm), inside the cone backface. Maximum Shaft Fillet Radius: 0.030 in (0.8 mm). Shaft Backing Shoulder Diameter, Frontface (da): 2.83 in (72 mm). Shaft Backing Shoulder Diameter, Backface (db): 2.87 in (73 mm). Cage Location Relative To Backface (Aa): 0.04 in (1 mm). Cage Location Relative To Frontface (Ab): 0.12 in (3 mm).

Compatibility and replacement:

Timken lists cups 472 and 472A as mates for the 477 cone; this set carries the 472. Cone 477 and cup 472 are each identified by their own number. Searchable variants: 477/472, 477-472, 477 472, 477, 472.

Frequently asked questions:

What does the 477/472 include?

One 477 cone with rollers and cage, and one 472 cup: a complete single-row bearing.

What are the dimensions of the 477/472?

2-1/2 in (63.50 mm) bore and 4.7244 in outside diameter.

Which cups does Timken list for the 477 cone?

Cups 472 and 472A.