What this part is:

Imperial single-row tapered roller bearing cone (inner ring with tapered rollers and cage), Timken Class 3 precision. Cone only; the mating cup is a separate part. Unit Quantity: 1 Pc. New old stock.

Decoding the designation:

368 — Timken imperial cone number in the 362/368 family; mating cups are 362A and 362.

-3 (also written *3 or #3) — Timken precision Class 3, tighter bore and running-accuracy tolerances than the standard-precision 368.

Specifications:

Bore Diameter: 2.0000 in (50.800 mm). Cone Width (B): 0.8750 in (22.225 mm). Precision Class: Class 3. Item Weight: 1.195 kg (2.63 lb). Number Of Rows: 1. Rolling Elements: Tapered Roller. Closure Type: Open. Bearing Material: Case Carburized Steel. Series: 362/368 imperial tapered roller series. Unit Quantity: 1 Pc.

Dimensions and mounting:

Effective Centre Location: −0.17 in (−4.3 mm), inside the cone backface. Shaft Backing Shoulder Diameter: 2.2 in (56 mm) frontface da, 2.28 in (58 mm) backface db. Maximum Shaft Fillet Radius: 0.06 in (1.5 mm). Mating cup 362A: outside diameter 3.5000 in (88.900 mm), width 0.6501 in (16.513 mm).

Compatibility and replacement:

Mating cups: Timken 362A and 362. Cross-references: Timken 368A (same envelope and published ratings), Timken 368 (standard precision, not Class 3), NTN 368, Koyo 368 and FAG 368 (standard precision, not Class 3). CAD model and data sheet: available from Timken (cad.timken.com).

Frequently asked questions:

Is the cup included?

No. This listing is one 368-3 cone. The mating cup is Timken 362A or 362.

What does the -3 suffix mean?

-3, also written *3 or #3, is Timken precision Class 3, a tighter tolerance grade than the standard 368.

What are the bore and width?

Bore is 2.0000 in (50.800 mm) and cone width is 0.8750 in (22.225 mm).