Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
KOYO Roller Thrust Bearing Washer: 1/2 in Bore Dia, 15/16 in Outside Dia - Needle Roller Thrust Bearing Washers
KOYONeedle Roller Thrust Bearing Washers

KOYO Roller Thrust Bearing Washer: 1/2 in Bore Dia, 15/16 in Outside Dia

The KOYO Roller Thrust Bearing Washer (SKU 779KM7, MPN TRA-815) is a needle roller thrust bearing washer with a 1/2 in bore diameter, 15/16 in outside diameter, and 1/32 in washer thickness. It is compatible with…

SKU 3G-OTH-103019

Brand
KOYO
Item
Roller Thrust Bearing Washer: 1/2 in Bore Dia, 15/16 in Outside Dia
Category
Needle Roller Thrust Bearing Washers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

KOYO
Manufacturer Part Number
TRA-815
Outside Dia
15/16 in
Washer Thick
1/32 in
Compatible Bearing
815
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The KOYO Roller Thrust Bearing Washer (SKU 779KM7, MPN TRA-815) is a needle roller thrust bearing washer with a 1/2 in bore diameter, 15/16 in outside diameter, and 1/32 in washer thickness. It is compatible with bearing 815.

Frequently Asked Questions

What is a KOYO Roller Thrust Bearing Washer used for?

A KOYO Roller Thrust Bearing Washer is used as a component in needle roller thrust bearings to support axial loads in rotating machinery. It is commonly applied in automotive transmissions, industrial gearboxes, and heavy equipment where compact, high-load thrust capacity is required.

What are the specifications of the KOYO TRA-815 bearing washer?

The KOYO TRA-815 Roller Thrust Bearing Washer has a 1/2 in bore diameter, 15/16 in outside diameter, and 1/32 in washer thickness. It is compatible with bearing 815 and is manufactured by KOYO under part number TRA-815.

Where to buy KOYO TRA-815 bearing washers worldwide?

KOYO TRA-815 bearing washers are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable sourcing for your maintenance or production needs.

How to select the correct KOYO thrust bearing washer?

To select the correct KOYO thrust bearing washer, match the bore diameter, outside diameter, and thickness to your bearing assembly. For the TRA-815, ensure compatibility with bearing 815. Verify shaft and housing dimensions against the 1/2 in bore and 15/16 in outside diameter to avoid misalignment.

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 thrust bearing washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
KOYO Roller Thrust Bearing Washer: 5/8 in Bore Dia, 1 1/8 in Outside Dia, 1/16 in Washer Thick (MPN TRB-1018). Key specifications — Brand: KOYO; Compatible Bearing: 1018.
KOYO
KOYO Roller Thrust Bearing Washer: 5/8 in Bore Dia, 1 1/8 in Outside Dia, 1/16 in Washer Thick (MPN TRB-1018). Key specifications — Brand: KOYO; Compatible Bearing: 1018.
KOYO Needle Roller Thrust Bearing: 815, 1/2 in Bore Dia, 15/16 in Outside Dia, 0.078 in Overall Wd (MPN NTA-815). Key specifications — Brand: KOYO; Maximum Speed: 19,000 RPM; Bearing Industry Number: 815.
KOYO
KOYO Needle Roller Thrust Bearing: 815, 1/2 in Bore Dia, 15/16 in Outside Dia, 0.078 in Overall Wd (MPN NTA-815). Key specifications — Brand: KOYO; Maximum Speed: 19,000 RPM; Bearing Industry Number: 815.
KOYO Roller Thrust Bearing Washer: 2 1/4 in Bore Dia, 3 in Outside Dia, 1/8 in Washer Thick (MPN TRD-3648). Key specifications — Brand: KOYO; Compatible Bearing: 3648.
KOYO
KOYO Roller Thrust Bearing Washer: 2 1/4 in Bore Dia, 3 in Outside Dia, 1/8 in Washer Thick (MPN TRD-3648). Key specifications — Brand: KOYO; Compatible Bearing: 3648.
KOYO Needle Roller Thrust Bearing: 1423, 7/8 in Bore Dia, 1 7/16 in Outside Dia, 0.078 in Overall Wd (MPN NTA-1423). Key specifications — Brand: KOYO; Maximum Speed: 12,000 RPM; Bearing Industry Number: 1423.
KOYO
KOYO Needle Roller Thrust Bearing: 1423, 7/8 in Bore Dia, 1 7/16 in Outside Dia, 0.078 in Overall Wd (MPN NTA-1423). Key specifications — Brand: KOYO; Maximum Speed: 12,000 RPM; Bearing Industry Number: 1423.
KOYO Needle Roller Thrust Bearing: 4052, 2 1/2 in Bore Dia, 3 1/4 in Outside Dia, NTA/TC, 5,100 RPM (MPN NTA-4052). Key specifications — Brand: KOYO; Maximum Speed: 5,100 RPM; Bearing Industry Number: 4052.
KOYO
KOYO Needle Roller Thrust Bearing: 4052, 2 1/2 in Bore Dia, 3 1/4 in Outside Dia, NTA/TC, 5,100 RPM (MPN NTA-4052). Key specifications — Brand: KOYO; Maximum Speed: 5,100 RPM; Bearing Industry Number: 4052.

More from KOYO

View all KOYO parts →
KOYO Roller Thrust Bearing Washer: 3/8 in Bore Dia, 13/16 in Outside Dia, 1/32 in Washer Thick (MPN TRA-613). Key specifications — Brand: KOYO; Compatible Bearing: 613.
KOYO
KOYO Roller Thrust Bearing Washer: 3/8 in Bore Dia, 13/16 in Outside Dia, 1/32 in Washer Thick (MPN TRA-613). Key specifications — Brand: KOYO; Compatible Bearing: 613.
KOYO Roller Thrust Bearing Washer: 9/16 in Bore Dia, 1 in Outside Dia, 1/32 in Washer Thick (MPN TRA-916). Key specifications — Brand: KOYO; Compatible Bearing: 916.
KOYO
KOYO Roller Thrust Bearing Washer: 9/16 in Bore Dia, 1 in Outside Dia, 1/32 in Washer Thick (MPN TRA-916). Key specifications — Brand: KOYO; Compatible Bearing: 916.
KOYO Roller Thrust Bearing Washer: 2 1/2 in Bore Dia, 2 3/16 in Outside Dia, 1/32 in Washer Thick (MPN TRA-2435). Key specifications — Brand: KOYO; Compatible Bearing: 2435.
KOYO
KOYO Roller Thrust Bearing Washer: 2 1/2 in Bore Dia, 2 3/16 in Outside Dia, 1/32 in Washer Thick (MPN TRA-2435). Key specifications — Brand: KOYO; Compatible Bearing: 2435.
KOYO Roller Thrust Bearing Washer: 5/16 in Bore Dia, 3/4 in Outside Dia, 1/32 in Washer Thick (MPN TRA-512). Key specifications — Brand: KOYO; Compatible Bearing: 512.
KOYO
KOYO Roller Thrust Bearing Washer: 5/16 in Bore Dia, 3/4 in Outside Dia, 1/32 in Washer Thick (MPN TRA-512). Key specifications — Brand: KOYO; Compatible Bearing: 512.
KOYO Roller Thrust Bearing Washer: 3 1/2 in Bore Dia, 2 3/16 in Outside Dia, 1/16 in Washer Thick (MPN TRB-2435). Key specifications — Brand: KOYO; Compatible Bearing: 2435.
KOYO
KOYO Roller Thrust Bearing Washer: 3 1/2 in Bore Dia, 2 3/16 in Outside Dia, 1/16 in Washer Thick (MPN TRB-2435). Key specifications — Brand: KOYO; Compatible Bearing: 2435.
KOYO Roller Thrust Bearing Washer: 1 1/4 in Bore Dia, 1 15/16 in Outside Dia, 1/16 in Washer Thick (MPN TRB-2031). Key specifications — Brand: KOYO; Compatible Bearing: 2031.
KOYO
KOYO Roller Thrust Bearing Washer: 1 1/4 in Bore Dia, 1 15/16 in Outside Dia, 1/16 in Washer Thick (MPN TRB-2031). Key specifications — Brand: KOYO; Compatible Bearing: 2031.
KOYO Roller Thrust Bearing Washer: 1/4 in Bore Dia, 11/16 in Outside Dia, 1/32 in Washer Thick (MPN TRA-411). Key specifications — Brand: KOYO; Compatible Bearing: 411.
KOYO
KOYO Roller Thrust Bearing Washer: 1/4 in Bore Dia, 11/16 in Outside Dia, 1/32 in Washer Thick (MPN TRA-411). Key specifications — Brand: KOYO; Compatible Bearing: 411.
KOYO Roller Thrust Bearing Washer: 1 3/4 in Bore Dia, 2 1/2 in Outside Dia, 1/8 in Washer Thick (MPN TRD-2840). Key specifications — Brand: KOYO; Compatible Bearing: 2840.
KOYO
KOYO Roller Thrust Bearing Washer: 1 3/4 in Bore Dia, 2 1/2 in Outside Dia, 1/8 in Washer Thick (MPN TRD-2840). Key specifications — Brand: KOYO; Compatible Bearing: 2840.