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KOYO M-451 Drawn-Cup Needle Roller Bearing - Drawn-Cup Needle Roller Bearings
KOYODrawn-Cup Needle Roller Bearings

KOYO M-451 Drawn-Cup Needle Roller Bearing

The KOYO M-1 is a drawn-cup needle roller bearing, part number M-451, with a one-row, full-complement design. It has a 1/4-inch bore and a 7/16-inch outer diameter, is open, and constructed from alloy steel. This…

SKU 3G-OTH-103081

Also listed as: M451 · M 451

Brand
KOYO
Item
M-451 Drawn-Cup Needle Roller Bearing
Category
Drawn-Cup Needle Roller Bearings
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

KOYO
Manufacturer Part Number
M-451
Type
451, Full Complement, Open, Alloy Steel
Bore
1/4 in
OD
7/16 in
Bearing Design
M-1
Number of Rows
One
Full Complement
Yes
System of Measurement
Inch
Bearing Industry Number
451

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KOYO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KOYO M-1 is a drawn-cup needle roller bearing, part number M-451, with a one-row, full-complement design. It has a 1/4-inch bore and a 7/16-inch outer diameter, is open, and constructed from alloy steel. This inch-system bearing is identified by industry number 451.

Frequently Asked Questions

What is the KOYO M-451 needle roller bearing used for?

The KOYO M-451 drawn-cup needle roller bearing is used in applications requiring high load capacity in a compact radial space, such as automotive transmissions, gearboxes, and industrial machinery. Its full-complement design maximizes roller count for higher load ratings.

What are the specifications of the KOYO M-451 bearing?

The KOYO M-451 is a one-row, full-complement drawn-cup needle roller bearing with a 1/4-inch bore and 7/16-inch outer diameter. It is open, made of alloy steel, and uses the inch-system. The bearing design is M-1, and the industry number is 451.

Where to buy KOYO M-451 bearings worldwide?

KOYO M-451 bearings are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct KOYO drawn-cup needle roller bearing?

To select the correct KOYO drawn-cup needle roller bearing, verify the bore size (1/4 in), outer diameter (7/16 in), and system of measurement (inch). Confirm the full-complement design and alloy steel construction. For the M-451, ensure the industry number 451 matches your application requirements.

Used in

Common applications for KOYO
Automotive transmissions — KOYO drawn-cup needle roller bearings (B-44) for gear support in compact gearbox assemblies.
Conveyor systems — KOYO heavy-duty needle roller bearings (HJ-202820) for radial load handling in roller conveyors.
Printing machinery — KOYO needle roller thrust bearings (NTA-3648) for axial positioning of rotating cylinders.
Industrial pumps — KOYO thrust bearing washers (TRD-3648) for axial load distribution in pump shafts.
Indexing tables — KOYO single-direction clutch and bearing assemblies (FCB-20) for precise indexing and overrunning control.
Material handling equipment — KOYO drawn-cup needle roller bearings (BH-2020) for compact wheel or roller supports.

KOYO Products

3G Electric supplies KOYO drawn-cup needle roller bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
KOYO Needle Roller Bearing: M-1, 24161, 1 1/2 in Bore, 1 7/8 in OD, Full Complement, Open, M-24161
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KOYO Needle Roller Bearing: M-1, 24161, 1 1/2 in Bore, 1 7/8 in OD, Full Complement, Open, M-24161
KOYO Needle Roller Bearing: B, 47, 1/4 in Bore, 7/16 in OD, Full Complement, Open, Alloy Steel, B-47
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KOYO Needle Roller Bearing: B, 47, 1/4 in Bore, 7/16 in OD, Full Complement, Open, Alloy Steel, B-47
KOYO Needle Roller Bearing: B, 65, 3/8 in Bore, 9/16 in OD, Full Complement, Open, Alloy Steel, B-65
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KOYO Needle Roller Bearing: B, 65, 3/8 in Bore, 9/16 in OD, Full Complement, Open, Alloy Steel, B-65
KOYO Needle Roller Bearing: B, 1110, 11/16 in Bore, 7/8 in OD, Full Complement, Open, Alloy Steel (MPN B-1110)
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KOYO Needle Roller Bearing: B, 1110, 11/16 in Bore, 7/8 in OD, Full Complement, Open, Alloy Steel (MPN B-1110)
KOYO Needle Roller Bearing: B, 68, 3/8 in Bore, 9/16 in OD, Full Complement, Open, 0.5 in Overall Wd (MPN B-68)
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KOYO Needle Roller Bearing: B, 68, 3/8 in Bore, 9/16 in OD, Full Complement, Open, 0.5 in Overall Wd (MPN B-68)
KOYO Needle Roller Bearing: FC, 30, 30 mm Bore, 37 mm OD, Open, 20 mm Overall Wd, Alloy Steel, FC-30
KOYO
KOYO Needle Roller Bearing: FC, 30, 30 mm Bore, 37 mm OD, Open, 20 mm Overall Wd, Alloy Steel, FC-30

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