Timken65212-3Tapered Roller Bearing Cone – Straight Bore, 2.1250 in Bore, 1.75 in Width, Class 3 Precision, Case-Carburized Steel

Product Description

What this part is:

Timken 65212-3 tapered roller bearing cone, the inner ring, tapered rollers and cage of a single-row TS tapered roller bearing, in Class 3 precision. Cone only. Matching cups: Timken 65500 and Timken 65501. Unit Quantity: 1 Pc.

Decoding the designation:

65212 — the cone number in the Timken 65000 inch tapered roller bearing series, matched to the 655xx cup range.

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

Specifications:

Dynamic Load Rating (C1): 243,000 N (54,700 lbf), ISO one-million-revolution basis. Dynamic Radial Load Rating (C90): 63,100 N (14,200 lbf), ninety-million-revolution basis. Dynamic Axial Rating (Ca90): 52,700 N (11,800 lbf). Static Load Rating (C0): 297,000 N (66,700 lbf). K Factor: 1.2. Geometry Factor (Cg): 0.0827. Precision Class: Class 3. Item Weight: 3.70 kg (8.20 lb). Rolling Elements: Tapered Roller. Number Of Rows: 1. Bore Type: Straight. Closure Type: Open. Series: 65000. Base Number: 65212. Bearing Material: Case-carburized steel. Country of Origin: United States.

Dimensions and mounting:

Bore Diameter: 2.1250 in (53.975 mm). Overall Width: 1.75 in (44.45 mm). Effective Center Location: –0.37 in (–9.4 mm), inside the cone backface. Maximum Shaft Fillet Radius: 0.140 in (3.600 mm). Shaft Backing Shoulder Diameter, Frontface (da): 2.8 in (71 mm). Shaft Backing Shoulder Diameter, Backface (db): 3.03 in (77 mm). Cage Location relative to Backface (Aa): 0.13 in (3.3 mm). Cage Location relative to Frontface (Ab): 0.08 in (2 mm).

Compatibility and replacement:

Standard-class cone equivalents: SKF 65212, FAG K-65212, NSK 65212, NTN 4T-65212, Koyo 65212, Fersa 65212, BCA/Bower 65212 and PEER 65212. Mating cups: Timken 65500 and Timken 65501. CAD model and data sheet: available from Timken (cad.timken.com).

Frequently asked questions:

What size is the Timken 65212-3 cone?

2.1250 in (53.975 mm) bore and 1.75 in (44.45 mm) width.

What precision class is the 65212-3?

Class 3, marked -3, *3 or #3.

Which cups match the 65212 cone?

Timken 65500 and Timken 65501.