TimkenHM813846/HM813811Tapered Roller Bearing Cone and Cup — 2.7500 in (69.850 mm) Bore, 5.0000 in (127.000 mm) OD, 1.4375 in (36.513 mm) Width

Product Description

What this part is

Timken HM813846/HM813811 is a single-row tapered roller bearing assembly: one HM813846 cone and one HM813811 cup. Bore Diameter: 2.7500 in (69.850 mm). Outside Diameter: 5.0000 in (127.000 mm). Overall Width: 1.4375 in (36.513 mm). Cone Width: 1.4375 in (36.513 mm). Cup Width: 1.0625 in (26.988 mm). Item Weight: 1.9 kg (4.2 lb). Rolling Elements: Tapered Roller.

Decoding the designation

HM813846 — Timken inch-series cone in the HM813800 series. HM marks the heavy-medium section.

HM813811 — the matching single cup for that cone.

What these specs mean in practice

Dynamic Load Rating: 229,000 N (51,500 lbf), Timken C1 at 1 million revolutions. Dynamic Radial Rating C90: 59,400 N (13,400 lbf) at 90 million revolutions. Dynamic Axial Rating Ca90: 51,100 N (11,500 lbf). Static Load Rating: 256,000 N (57,600 lbf). e Factor: 0.5. K Factor: 1.16. Y Factor: 1.2. The high K and axial rating suit shafts carrying heavy combined radial and thrust load.

Mounting data

Effective Center Location: -0.15 in (-3.8 mm). Max Shaft Fillet Radius: 0.140 in (3.600 mm). Max Housing Fillet Radius: 0.06 in (1.52 mm). Shaft Backing Shoulder Diameter, Frontface (da): 3.23 in (82 mm). Shaft Backing Shoulder Diameter, Backface (db): 3.50 in (89 mm). Housing Backing Shoulder Diameter, Frontface (Da): 4.80 in (121.90 mm). Housing Backing Shoulder Diameter, Backface (Db): 4.45 in (113.03 mm).

Quantity and configuration

Unit Quantity: 2 Pcs, one cone and one cup forming one complete single-row bearing. GTIN: 0013992335579.

Interchange guidance

HM813846/HM813811 is an ABMA standard inch set produced to the same envelope by SKF, NTN (4T-HM813846/HM813811), Koyo and Bower.