Timken358-3Tapered Roller Bearing Cone, 1.7717 in Bore, 0.8540 in Width, Class 3 Precision, Case-Carburized Steel

Product Description

What this part is:

The Timken 358-3 is a single-row tapered roller bearing cone in the imperial inch series, 1.7717 in (45.001 mm) bore, 0.8540 in (21.692 mm) inner ring width. A cone is the inner ring, the tapered rollers and the cage supplied as one non-separable assembly. It runs against a separately supplied Timken cup. Sold as 1 piece.

Decoding the designation:

358 — the Timken base cone number in the inch tapered roller series, fixing the bore, the inner ring width, the roller complement and the cup mating.

-3 — Timken precision Class 3, written on cartons as -3, *3 or #3. Class 3 gives tighter running and mounting tolerance and lower running vibration than standard tolerance.

Specifications:

Cone Part Number: 358. Bore Diameter (d): 1.7717 in / 45.001 mm. Inner Ring Width (B): 0.8540 in / 21.692 mm. Rolling Elements: Tapered Roller. Number Of Rows: 1. Bore Type: Straight. Design Units: Imperial. Bearing Material: Case-Carburized Steel. Precision Class: Class 3. Item Weight: 1.123 kg (2.48 lb). Dynamic Radial Load Rating, 1M Revs (C1): 97,000 N (21,800 lbf). Dynamic Radial Load Rating, 90M Revs (C90): 25,100 N (5,650 lbf). Dynamic Axial Rating, 90M Revs (Ca90): 13,200 N (2,960 lbf). Static Radial Load Rating (C0): 88,800 N (20,000 lbf). K Factor: 1.91. G1 Factor: 30. G2 Factor: 12.2. Geometry Factor (Cg): 0.0732. Unit Quantity: 1 Pc.

Dimensions and mounting:

Effective Center Location: -0.19 in / -4.8 mm, inside the cone backface. Max Shaft Fillet Radius: 0.060 in / 1.5 mm. Shaft Backing Shoulder Diameter, Frontface (da): 1.97 in / 50 mm. Shaft Backing Shoulder Diameter, Backface (db): 2.09 in / 53 mm. Cage Location rel. to Backface (Aa): 0 in / 0 mm. Cage Location rel. to Frontface (Ab): 0.09 in / 2.3 mm.

Compatibility and replacement:

Mating Timken cups: 352, 352A and 354A. The base cone number 358 appears as SKF 358, FAG K-358, NSK 358, NTN 4T-358, Koyo 358, Fersa 358, BCA/Bower 358 and PEER 358 at standard tolerance. Class 3 is a Timken precision execution of this part. Searchable variants: 358-3, 358*3, 358#3, 358 3.

Frequently asked questions:

What are the dimensions of the Timken 358-3 cone?

1.7717 in (45.001 mm) bore and 0.8540 in (21.692 mm) inner ring width.

What does -3 mean?

Timken precision Class 3, written on cartons as -3, *3 or #3.

Which cups mate with the 358 cone?

Timken cups 352, 352A and 354A.