Timken39250/39433Tapered Roller Bearing Cone and Cup — 2.5000 in (63.500 mm) Bore, 4.3330 in (110.058 mm) OD, 0.8661 in (21.999 mm) Width

Product Description

What this part is

Timken 39250/39433 is a single-row tapered roller bearing: one 39250 cone and one 39433 cup. Bore Diameter: 2.5000 in (63.500 mm). Outside Diameter: 4.3330 in (110.058 mm). Overall Width: 0.8661 in (21.999 mm). Cone Width: 0.8661 in (21.999 mm). Cup Width: 0.6786 in (17.236 mm). Item Weight: 0.8 kg (1.8 lb). Rolling Elements: Tapered Roller.

Decoding the designation

39250 — Timken inch-series cone, 2.5000 in bore.

39433 — the matching single cup, 4.3330 in OD.

What these specs mean in practice

Dynamic Load Rating: 115,000 N (25,800 lbf), Timken C1 at 1 million revolutions. Dynamic Radial Rating C90: 29,700 N (6,680 lbf). Dynamic Axial Rating Ca90: 19,700 N (4,440 lbf). Static Load Rating: 120,000 N (27,000 lbf). e Factor: 0.39. K Factor: 1.51. Y Factor: 1.55.

Mounting data

Effective Center Location: -0.06 in (-1.5 mm). Max Shaft Fillet Radius: 0.080 in (2.0 mm). Max Housing Fillet Radius: 0.090 in (2.29 mm). Shaft Backing Shoulder Diameter, Frontface (da): 2.76 in (70 mm). Shaft Backing Shoulder Diameter, Backface (db): 2.87 in (73 mm). Housing Backing Shoulder Diameter, Frontface (Da): 4.09 in (103.89 mm). Housing Backing Shoulder Diameter, Backface (Db): 3.86 in (98.04 mm).

Quantity and configuration

Unit Quantity: 2 Pcs, one cone and one cup forming one complete single-row bearing. Carton set marking: 90017.

Interchange guidance

39250/39433 is an ABMA standard inch set also produced by SKF, NTN (4T-39250/39433), Koyo and Bower.