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KOYO Needle Roller Thrust Bearing: 2840, 1 3/4 in Bore Dia, 2 1/2 in Outside Dia - Needle Roller Thrust Bearings
KOYONeedle Roller Thrust Bearings

KOYO Needle Roller Thrust Bearing: 2840, 1 3/4 in Bore Dia, 2 1/2 in Outside Dia

The KOYO Needle Roller Thrust Bearing, model 2840 (MPN NTA-2840), is a needle roller thrust bearing with a 1 3/4 in bore diameter and a 2 1/2 in outside diameter. It has a maximum speed of 6,800 RPM and is classified…

SKU 3G-OTH-110186

Also listed as: NTA2840 · NTA 2840

Brand
KOYO
Item
Needle Roller Thrust Bearing: 2840, 1 3/4 in Bore Dia, 2 1/2 in Outside Dia
Category
Needle Roller Thrust Bearings
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Local availability & support

Delivery
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
NTA-2840
Type
NTA/TC, 6,800 RPM
Bore Dia
1 3/4 in
Outside Dia
2 1/2 in
Maximum Speed
6,800 RPM
Bearing Industry Number
2840

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

Product Description

The KOYO Needle Roller Thrust Bearing, model 2840 (MPN NTA-2840), is a needle roller thrust bearing with a 1 3/4 in bore diameter and a 2 1/2 in outside diameter. It has a maximum speed of 6,800 RPM and is classified under bearing industry number 2840.

Frequently Asked Questions

What is the KOYO NTA-2840 needle roller thrust bearing used for?

The KOYO NTA-2840 needle roller thrust bearing handles axial loads in rotating machinery. It is commonly used in gearboxes, pumps, and industrial drives where space is limited and high load capacity is needed. 3G Electric supplies this bearing for maintenance and production applications worldwide.

What are the specifications of the KOYO NTA-2840 bearing?

The KOYO NTA-2840 needle roller thrust bearing has a 1 3/4 in bore diameter, a 2 1/2 in outside diameter, and a maximum speed of 6,800 RPM. It is classified under bearing industry number 2840 and is of the NTA/TC type. 3G Electric sources this genuine KOYO bearing for global delivery.

Where to buy the KOYO NTA-2840 bearing worldwide?

3G Electric supplies the KOYO NTA-2840 needle roller thrust bearing to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this genuine KOYO bearing.

How to select the correct KOYO needle roller thrust bearing?

To select the correct KOYO needle roller thrust bearing, match the bore diameter, outside diameter, and speed rating to your application. The NTA-2840 fits a 1 3/4 in shaft and 2 1/2 in housing. 3G Electric can help confirm fitment and source the right bearing for your equipment.

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 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 Thrust Bearing: 4860, 3 in Bore Dia, 3 3/4 in Outside Dia, 0.078 in Overall Wd (MPN NTA-4860)
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KOYO Needle Roller Thrust Bearing: 4860, 3 in Bore Dia, 3 3/4 in Outside Dia, 0.078 in Overall Wd (MPN NTA-4860)
KOYO Needle Roller Thrust Bearing: 2435, 1 1/2 in Bore Dia, 2 3/16 in Outside Dia, NTA/TC, 7,600 RPM (MPN NTA-2435)
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KOYO Needle Roller Thrust Bearing: 2435, 1 1/2 in Bore Dia, 2 3/16 in Outside Dia, NTA/TC, 7,600 RPM (MPN NTA-2435)
KOYO Needle Roller Thrust Bearing: 3648, 2 1/4 in Bore Dia, 3 in Outside Dia, 0.078 in Overall Wd (MPN NTA-3648)
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KOYO Needle Roller Thrust Bearing: 3648, 2 1/4 in Bore Dia, 3 in Outside Dia, 0.078 in Overall Wd (MPN NTA-3648)
KOYO Needle Roller Thrust Bearing: 3244, 2 in Bore Dia, 2 3/4 in Outside Dia, 0.078 in Overall Wd (MPN NTA-3244)
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KOYO Needle Roller Thrust Bearing: 3244, 2 in Bore Dia, 2 3/4 in Outside Dia, 0.078 in Overall Wd (MPN NTA-3244)
KOYO Needle Roller Thrust Bearing: 1625, 1 in Bore Dia, 1 9/16 in Outside Dia, 0.078 in Overall Wd (MPN NTA-1625)
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KOYO Needle Roller Thrust Bearing: 1625, 1 in Bore Dia, 1 9/16 in Outside Dia, 0.078 in Overall Wd (MPN NTA-1625)

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KOYO Needle Roller Thrust Bearing: 916, 9/16 in Bore Dia, 1 in Outside Dia, 0.078 in Overall Wd (MPN NTA-916)
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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)
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