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KOYO Inner Ring: 5/8 in Bore, 0.875 in OD, 1.015 in Overall Wd, Alloy Steel - Needle Roller Bearing Inner Rings
KOYONeedle Roller Bearing Inner Rings

KOYO Inner Ring: 5/8 in Bore, 0.875 in OD, 1.015 in Overall Wd, Alloy Steel

The KOYO Inner Ring is a needle roller bearing inner ring with a 5/8 in bore, 0.875 in OD, and 1.015 in overall width, made of alloy steel. This inch-system component, identified by manufacturer part number IR-1016…

SKU 3G-OTH-103658

Also listed as: IR1016 · IR 1016

Brand
KOYO
Item
Inner Ring: 5/8 in Bore, 0.875 in OD, 1.015 in Overall Wd, Alloy Steel
Category
Needle Roller Bearing Inner Rings
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

KOYO
Manufacturer Part Number
IR-1016
Type
Alloy Steel, IR-1016
OD
0.875 in
Overall Wd
1.015 in
System of Measurement
Inch

Technical Documents

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

Product Description

The KOYO Inner Ring is a needle roller bearing inner ring with a 5/8 in bore, 0.875 in OD, and 1.015 in overall width, made of alloy steel. This inch-system component, identified by manufacturer part number IR-1016, is designed for use with compatible needle roller bearings.

Frequently Asked Questions

What is the KOYO IR-1016 inner ring used for?

The KOYO IR-1016 is a needle roller bearing inner ring used as a precision raceway for needle rollers in industrial machinery, gearboxes, and conveyor systems. It provides a hardened, ground surface that reduces friction and supports radial loads in compact assemblies.

What are the specifications of the KOYO IR-1016 inner ring?

The KOYO IR-1016 has a 5/8 in bore, 0.875 in OD, and 1.015 in overall width. It is made of alloy steel, uses inch-system measurements, and is identified by manufacturer part number IR-1016. This inner ring is designed for use with compatible KOYO needle roller bearings.

Where to buy KOYO IR-1016 inner rings worldwide?

KOYO IR-1016 inner rings 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 inner ring for a needle roller bearing?

To select the correct KOYO inner ring, match the bore size to your shaft diameter, the OD to the bearing's inner raceway, and the overall width to the bearing assembly. The IR-1016 uses inch dimensions and alloy steel construction for durability. Always verify compatibility with the bearing manufacturer's specifications.

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 needle roller bearing inner rings. 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 Inner Ring: 3/4 in Bore, 1 in OD, 0.515 in Overall Wd, Alloy Steel, IR-128
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KOYO Inner Ring: 1 1/2 in Bore, 1.75 in OD, 1 in Overall Wd, Alloy Steel, IR-242816
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KOYO Inner Ring: 1 1/2 in Bore, 1.75 in OD, 1 in Overall Wd, Alloy Steel, IR-242816
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KOYO Needle Roller Bearing: BH, 1012, 5/8 in Bore, 7/8 in OD, Full Complement, Open, Alloy Steel (MPN BH-1012)
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KOYO Needle Roller Bearing: BH, 1012, 5/8 in Bore, 7/8 in OD, Full Complement, Open, Alloy Steel (MPN BH-1012)
KOYO Needle Roller Bearing: BH, 1010, 5/8 in Bore, 7/8 in OD, Full Complement, Open, Alloy Steel (MPN BH-1010)
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KOYO Needle Roller Bearing: BH, 1010, 5/8 in Bore, 7/8 in OD, Full Complement, Open, Alloy Steel (MPN BH-1010)
KOYO Needle Roller Bearing: BH, 1016, 5/8 in Bore, 7/8 in OD, Full Complement, Open, 1 in Overall Wd (MPN BH-1016)
KOYO
KOYO Needle Roller Bearing: BH, 1016, 5/8 in Bore, 7/8 in OD, Full Complement, Open, 1 in Overall Wd (MPN BH-1016)

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