Timken65320-3Tapered Roller Bearing Cup – 4.5000 in Outside Diameter, 1.375 in Width, Class 3 Precision

Product Description

What this part is:

The Timken 65320-3 is an inch tapered roller bearing cup, the outer race of a single-row tapered roller bearing. Series: 653. Base Number: 65320. Outside Diameter: 4.5000 in (114.300 mm). Overall Width: 1.375 in (34.925 mm).

Decoding the designation:

65320 — Timken base cup number in the 653 inch series, 4.5000 in outside diameter.

*3 — Timken Precision Class 3, a tighter tolerance than the standard class. The same class is written 65320-3, 65320 *3 and 65320 #3.

Specifications:

Bearing Type: Tapered roller bearing cup. Series: 653. Base Number: 65320. Outside Diameter: 4.5000 in (114.300 mm). Overall Width: 1.375 in (34.925 mm). Rolling Elements: Tapered Roller. Number of Rows: 1. Precision Class: Class 3. e Factor: 0.43. Y Factor: 1.39. Geometry Factor (Cg): 0.105. Item Weight: 2.10 kg (4.7 lb). Unit Quantity: 1 Pc.

Dimensions and mounting:

Maximum fillet radius on the mating housing: 3.30 mm (0.130 in). Housing Backing Shoulder Diameter, frontface (Da): 107.95 mm (4.25 in). Housing Backing Shoulder Diameter, backface (Db): 97.03 mm (3.82 in).

Compatibility and replacement:

Cup only. Matching cones are the Timken 65390 and 65383. The 65320 base number is an industry-standard inch cup number: Koyo 65320, NTN 4T-65320, NSK 65320, SKF 65320 and BCA/Bower 65320 are built to the same boundary dimensions.

Frequently asked questions:

Is the Timken 65320-3 a cup or a complete bearing?

A cup only. Matching cones are the Timken 65390 and 65383.

What are the dimensions of the Timken 65320-3?

4.5000 in (114.300 mm) outside diameter and 1.375 in (34.925 mm) width.

What does the *3 mean?

Timken Precision Class 3.