Timken28150-90024Double-Row TDO Tapered Roller Bearing — 1.5000 in (38.100 mm) Bore, 3.1510 in (80.035 mm) OD, Class 0

Product Description

What this part is:

Timken 28150-90024 is a double-row TDO (tapered double outer) tapered roller bearing built from two 28150 cones and one 28318D double cup. Bore Diameter: 1.5000 in (38.100 mm). Outside Diameter: 3.1510 in (80.035 mm). Cup Width: 1.3750 in (34.925 mm). Cone Width: 0.7500 in (19.050 mm). Number Of Rows: 2. Rolling Elements: Tapered Roller. Precision Class: Class 0.

Decoding the designation:

28150 — Timken inch-series cone in the 28100 series.

28318D — the one-piece double cup for that cone. D on a cup marks a double cup taking two cones.

-90024 — Timken assembly number for the matched two-row set.

Class 0 — Timken precision class marked on the carton, tighter than standard Class 2 and Class 3.

What these specs mean in practice:

Dynamic Load Rating: 131,000 N (29,500 lbf), Timken C1 at 1 million revolutions. Two-Row Dynamic Radial Rating C90: 34,000 N (7,640 lbf). Dynamic Axial Rating Ca90: 13,400 N (3,020 lbf). Static Load Rating: 68,900 N (15,500 lbf). e Factor: 0.4. Y1 Factor: 1.68. Y2 Factor: 2.5. The two opposed rows locate the shaft in both axial directions from a single bearing position.

Mounting data:

Max Shaft Fillet Radius: 0.060 in (1.5 mm). Max Housing Fillet Radius: 0.03 in (0.8 mm). Shaft Backing Shoulder Diameter, Backface (db): 1.79 in (45.5 mm). Housing Backing Shoulder Diameter, Frontface (Da): 2.91 in (73.90 mm). Cone Frontface Backing Diameter: 1.73 in. Effective Center Location: -0.16 in.

Quantity and configuration:

Unit Quantity: 3 Pcs: two 28150 cones and one 28318D double cup.

Interchange guidance:

The 28150 cone and 28318D double cup are ABMA standard inch sizes; the 28150 cone is also produced by SKF, NTN (4T-28150), Koyo and Bower. Class 0 is a Timken precision grade.