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KOYO Needle Roller Bearing: J, 78, 7/16 in Bore, 5/8 in OD, Open, 0.5 in Overall Wd - Drawn-Cup Needle Roller Bearings
KOYODrawn-Cup Needle Roller Bearings

KOYO Needle Roller Bearing: J, 78, 7/16 in Bore, 5/8 in OD, Open, 0.5 in Overall Wd

The KOYO J-78 is a drawn-cup needle roller bearing with a single row of rollers and an open design. It has a 7/16-inch bore, a 5/8-inch outer diameter, and a 0.5-inch overall width, constructed from alloy steel. This…

SKU 3G-OTH-107736

Brand
KOYO
Item
Needle Roller Bearing: J, 78, 7/16 in Bore, 5/8 in OD, Open, 0.5 in Overall Wd
Category
Drawn-Cup Needle Roller Bearings
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Technical Specifications

KOYO
Manufacturer Part Number
J-78
Type
78, Open, Alloy Steel
Bore
7/16 in
OD
5/8 in
Overall Wd
0.5 in
Bearing Design
J
Number of Rows
One
Full Complement
No
System of Measurement
Inch
Bearing Industry Number
78
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KOYO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KOYO J-78 is a drawn-cup needle roller bearing with a single row of rollers and an open design. It has a 7/16-inch bore, a 5/8-inch outer diameter, and a 0.5-inch overall width, constructed from alloy steel. This inch-system bearing carries the industry number 78 and is not a full-complement type.

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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