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TimkenTapered Roller Bearing Cone – 2.6250 in Bore, 1.4375 in Width, 229,000 N Dynamic Rating

Condition: New
Condition Note: Made In USA

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4 in stock

Inch tapered roller bearing cone, 2.625 in bore, 1.4375 in width, 229,000 N dynamic and 256,000 N static rating. Mates with an HM813810 cup.

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$59.49

4 in stock

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Specifications

Key Specifications

MFR / BrandTimken
GTIN053893695440
ModelHM 813844
Bearing TypeTapered Roller Bearing Cone
ID2.6250 in (66.675 mm)

Technical Specifications

Base NumberHM813844
Overall Width1.4375 in (36.513 mm)
Mpn VariantsHM813844; HM-813844; HM 813844; 813844
Compatible With ReplacesMating cups: Timken HM813810, Timken HM813810P
Precision ClassNot specified
Additional AttributesK Factor 1.16; C90 59,400 N; Ca90 51,100 N; Effective Load Centre -3.8 mm; Max shaft fillet radius 3.600 mm; da 82 mm; db 88 mm; Aa 3.6 mm; Ab 2 mm; G1 91.7; G2 24.3; Cg 0.125
Dynamic Load Rating229,000 N
Static Load Rating256,000 N
SeriesHM813
Rolling ElementsTapered Roller
Item Weight2.30 kg (5.00 lb)
Number Of Rows1
Bore TypeStraight
Part NumberHM813844

Cross-References

Cross Reference 1Koyo HM813844
Cross Reference 2NTN 4T-HM813844
Cross Reference 3NSK HM813844
Cross Reference 4SKF HM813844
Seller Part Number: B-BM2#U8ALLJ

Product Description

What this part is

Timken HM813844 inch tapered roller bearing cone. Bearing Type: Tapered roller bearing cone — the inner ring carrying the tapered rollers and cage as one assembly. Series: HM813. Base Number: HM813844. Bore Diameter: 2.6250 in (66.675 mm). Overall Width: 1.4375 in (36.513 mm). Bore Type: Straight. Rolling Elements: Tapered Roller. Number Of Rows: 1. Item Weight: 2.30 kg (5.00 lb). GTIN: 053893695440.

Decoding the designation

HM — Timken heavy-section prefix used on the 8xx wheel-end and final-drive families. 813844 — cone number within that family, 2.6250 in bore. No precision suffix is present, so the tolerance class is Not specified.

What these specs mean in practice

Dynamic Load Rating: 229,000 N (C1, one million revolutions). Static Load Rating: 256,000 N. Dynamic radial rating at 90 million revolutions (C90): 59,400 N. Dynamic axial rating at 90 million revolutions (Ca90): 51,100 N. K Factor: 1.16. A 1.4375 in wide inner ring on a 2.625 in bore is a deep section for the size, which is where the 229,000 N rating comes from on so small an envelope.

Mounting data

Effective Load Centre: -3.8 mm. Maximum fillet radius on the mating shaft: 3.600 mm (0.140 in). Shaft Backing Shoulder Diameter, frontface (da): 82 mm (3.23 in). Shaft Backing Shoulder Diameter, backface (db): 88 mm (3.46 in). Cage location relative to backface (Aa): 3.6 mm. Cage location relative to frontface (Ab): 2 mm. G1 Factor: 91.7. G2 Factor: 24.3. Geometry Factor (Cg): 0.125.

Quantity and configuration

Unit Quantity: 1 Pc. Cone only. Matching cups are the Timken HM813810 and HM813810P.

Interchange guidance

HM813844 is an industry-standard inch tapered roller bearing cone number. Koyo, NTN, NSK and SKF all build an HM813844 to the same boundary dimensions, and all interchange with this cone.

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