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NTNHM803112Tapered Roller Bearing Cup – 3.6250 in (92.075 mm) OD, 0.9063 in (23.020 mm) Width, Case Carburized Steel

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Tapered roller bearing cup, 3.6250 in (92.075 mm) OD x 0.9063 in (23.020 mm) wide, case-carburized steel, inch series HM803112. Two cups per purchase.

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$67.32

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Specifications

Key Specifications

MFR / BrandNTN
MPNHM803112
Model4THM803112
Bearing TypeTapered Roller Bearing Cup
OD3.6250 in (92.075 mm)
Width1.1563 in

Technical Specifications

SeriesHM803100
MaterialCase Carburized Steel
Mpn Variants4T-HM803112, HM803112, 4THM803112
Closure TypeOpen
Item Weight0.395 kg (0.871 lb)
Number Of Rows1
Snap Ring IncludedNo
Harmonization Code8482.20.00

Cross-References

Cross Reference 1Timken HM803112
Cross Reference 3Bower HM803112
Seller Part Number: AP4B1#WJ782M

Product Description

What this part is

NTN 4T-HM803112 is the outer ring (cup) of an inch-series tapered roller bearing in the HM803100 family. Cup only. Outside Diameter: 3.6250 in (92.075 mm). Cup Width: 0.9063 in (23.020 mm). Material: Case carburized steel. Item Weight: 0.395 kg (0.871 lb) per cup.

Decoding the designation

4T — NTN prefix for its case-hardened (carburized) tapered roller execution. The hard case over a tough core resists shock loading.

HM803112 — ABMA inch-series cup number in the HM803100 heavy-medium series. The same number identifies the cup across makers that follow the ABMA scheme.

What these specs mean in practice

The cup carries the outer raceway of the bearing and seats in the housing bore. Housing fit is set by the 92.075 mm outside diameter. Load ratings and speeds belong to a complete cone-and-cup assembly and are set by the mating cone.

Mounting data

Outer Ring Back Face Fillet Radius: 0.1300 in (3.300 mm).

Quantity and configuration

Unit Quantity: 2 Pcs. Two single cups per purchase.

Interchange guidance

HM803112 is a standard ABMA cup number and interchanges directly with Timken HM803112 and Bower HM803112.

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