Timken33462DCDouble Tapered Roller Bearing Cup – 4.625 in OD, 2.125 in Width, Two-Row TDO Outer Ring

Product Description

What this part is

The Timken 33462DC is a double tapered roller bearing cup — a one-piece outer ring carrying two raceways on a single 4.625 in outside diameter, 2.125 in overall width. Timken also catalogues the identical component as 33462D. Cup only. The matching cones are the Timken 33275 and the Timken 33287.

Decoding the designation

The 33000 series identifies the envelope family. The trailing D or DC marks the ring as a double cup, giving two raceways in one piece rather than the single raceway of a plain 33462. Because both raceways are ground in one operation on one ring, the two rows share a fixed axial relationship set at the factory.

What these specs mean in practice

The published e factor is 0.44 and the K factor 1.34, with Y1 at 1.55 and Y2 at 2.31. A K factor of 1.34 places this bearing in the steeper part of the tapered roller range, so it carries a higher proportion of thrust relative to radial load than a shallower 1.5 K design. The geometry factor Cg is 0.116.

Two-row configuration

A double cup is the outer half of a TDO arrangement. Two single cones run inside it, back to back, and the resulting wide effective bearing spread carries overturning moments well. The published assemblies built on this cup are the 33275-33462DC and the 33287-33462DC.

Mounting data

Maximum housing fillet radius is 0.03 in (0.8 mm). The housing backing shoulder diameter at the frontface, Da, is 4.45 in (112.01 mm). TDO bearings run either clamped in a fixed position or floating in the housing bore.

Quantity and configuration

One double cup, 1 Pc. Case-carburized alloy steel, ground raceways, straight outside diameter with no flange.

Interchange guidance

Bower 33462DC is a direct interchange. The plain Timken 33462 is a single cup on the same 4.625 in outside diameter and is a related size, not a substitute for this two-row ring.