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

NTN Tapered Roller Bearing Cup: 2 29/32 in Bore, 3 1/4 in OD, 0.75 in Cup Wd - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN Tapered Roller Bearing Cup: 2 29/32 in Bore, 3 1/4 in OD, 0.75 in Cup Wd

The NTN Tapered Roller Bearing Cup (SKU 55PX27, MPN 25520) is an inch-system cup with a 2 29/32 in bore, 3 1/4 in OD, and 0.75 in cup width. It is made of alloy steel and is compatible with cone manufacturer part…

SKU 3G-OTH-109724

Brand
NTN
Item
Tapered Roller Bearing Cup: 2 29/32 in Bore, 3 1/4 in OD, 0.75 in Cup Wd
Category
Tapered Roller Bearing Cups
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

NTN
Manufacturer Part Number
25520
OD
3 1/4 in
Cup Wd
0.75 in
Overall Wd
0.75 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
25584
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

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

Product Description

The NTN Tapered Roller Bearing Cup (SKU 55PX27, MPN 25520) is an inch-system cup with a 2 29/32 in bore, 3 1/4 in OD, and 0.75 in cup width. It is made of alloy steel and is compatible with cone manufacturer part number 25584.

Frequently Asked Questions

What is the NTN 25520 tapered roller bearing cup used for?

The NTN 25520 tapered roller bearing cup is used in industrial machinery and automotive applications to support radial and axial loads. It pairs with cone 25584 to form a complete bearing assembly, commonly found in gearboxes, conveyors, and heavy equipment.

What are the specifications of the NTN 25520 bearing cup?

The NTN 25520 tapered roller bearing cup has a 2 29/32 in bore, 3 1/4 in OD, and 0.75 in cup width. It is made of alloy steel, uses inch-system measurement, and is compatible with cone part number 25584. The manufacturer part number is 25520.

Where to buy the NTN 25520 bearing cup worldwide?

You can source the NTN 25520 bearing cup 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 cone for the NTN 25520 bearing cup?

To select the correct cone, use the compatible cone manufacturer part number 25584, as specified by NTN. Ensure the cone matches the cup's inch-system dimensions and alloy steel material. Always verify fit with the original equipment manufacturer's guidelines for proper load capacity.

Used in

Common applications for NTN
Automotive driveline — NTN tapered roller bearing assemblies (e.g., 4T-30303) for differential and wheel hub applications
Conveyor systems — NTN 4-bolt flange bearings (e.g., UCF211-200D1) for idler rollers and take-up units
Machine tool spindles — NTN duplex angular contact bearings (e.g., ML7006CVDUJ74S) for high-speed precision rotation
Industrial fans — NTN high-temperature radial ball bearings (e.g., 6004FT150) for oven and dryer exhaust systems
Pump drives — NTN radial ball bearings (e.g., 6008LLBC3/L627) for electric motor and pump shaft support
Agricultural equipment — NTN tapered roller bearing cones (e.g., LM29748L) for gearbox and PTO shaft assemblies

NTN Products

3G Electric supplies NTN tapered roller bearing cups. 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
NTN Tapered Roller Bearing Cup: 2 29/32 in Bore, 3 27/64 in OD, 0.937 in Cup Wd, 0.937 in Overall Wd (MPN 3525). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 3525; Brand: NTN; Compatible Cone Manufacturer Part Number: 3576.
NTN
NTN Tapered Roller Bearing Cup: 2 29/32 in Bore, 3 27/64 in OD, 0.937 in Cup Wd, 0.937 in Overall Wd (MPN 3525). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 3525; Brand: NTN; Compatible Cone Manufacturer Part Number: 3576.
NTN Tapered Roller Bearing Cup: 2 19/32 in Bore, 3 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd, 2720. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 2720; Brand: NTN; Compatible Cone Manufacturer Part Number: 2788.
NTN
NTN Tapered Roller Bearing Cup: 2 19/32 in Bore, 3 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd, 2720. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 2720; Brand: NTN; Compatible Cone Manufacturer Part Number: 2788.
NTN Tapered Roller Bearing Cup: 2 35/64 in Bore, 2 7/8 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd (MPN 25821). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 25821; Brand: NTN; Compatible Cone Manufacturer Part Number: 25880.
NTN
NTN Tapered Roller Bearing Cup: 2 35/64 in Bore, 2 7/8 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd (MPN 25821). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 25821; Brand: NTN; Compatible Cone Manufacturer Part Number: 25880.
NTN Tapered Roller Bearing Cup: 2 25/32 in Bore, 3 1/8 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd (MPN 26822). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 26822; Brand: NTN; Compatible Cone Manufacturer Part Number: 26878.
NTN
NTN Tapered Roller Bearing Cup: 2 25/32 in Bore, 3 1/8 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd (MPN 26822). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 26822; Brand: NTN; Compatible Cone Manufacturer Part Number: 26878.
NTN Tapered Roller Bearing Cup: 4 33/64 in Bore, 4 59/64 in OD, 0.781 in Cup Wd, 0.781 in Overall Wd (MPN 27620). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 27620; Brand: NTN; Compatible Cone Manufacturer Part Number: 27687.
NTN
NTN Tapered Roller Bearing Cup: 4 33/64 in Bore, 4 59/64 in OD, 0.781 in Cup Wd, 0.781 in Overall Wd (MPN 27620). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 27620; Brand: NTN; Compatible Cone Manufacturer Part Number: 27687.
NTN Tapered Roller Bearing Cup: 2 43/64 in Bore, 3 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd, 2729. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 2729; Brand: NTN; Compatible Cone Manufacturer Part Number: 2796.
NTN
NTN Tapered Roller Bearing Cup: 2 43/64 in Bore, 3 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd, 2729. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 2729; Brand: NTN; Compatible Cone Manufacturer Part Number: 2796.

More from NTN

View all NTN parts
NTN Tapered Roller Bearing Cup: 15 in OD, 2.25 in Cup Wd, 2.937 in Overall Wd, HM252310X. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: HM252310X; Brand: NTN; Compatible Cone Manufacturer Part Number: HM252348.
NTN
NTN Tapered Roller Bearing Cup: 15 in OD, 2.25 in Cup Wd, 2.937 in Overall Wd, HM252310X. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: HM252310X; Brand: NTN; Compatible Cone Manufacturer Part Number: HM252348.
NTN Tapered Roller Bearing Cup: 4 11/64 in Bore, 4 13/16 in OD, 1.437 in Cup Wd, 1.437 in Overall Wd (MPN 5535). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 5535; Brand: NTN; Compatible Cone Manufacturer Part Number: 5578.
NTN
NTN Tapered Roller Bearing Cup: 4 11/64 in Bore, 4 13/16 in OD, 1.437 in Cup Wd, 1.437 in Overall Wd (MPN 5535). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 5535; Brand: NTN; Compatible Cone Manufacturer Part Number: 5578.
NTN Tapered Roller Bearing Cup: 75 mm Bore, 4 33/64 in OD, 0.748 in Cup Wd, 19 mm Overall Wd (MPN JLM714110). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: JLM714110; Brand: NTN; Compatible Cone Manufacturer Part Number: JLM714149.
NTN
NTN Tapered Roller Bearing Cup: 75 mm Bore, 4 33/64 in OD, 0.748 in Cup Wd, 19 mm Overall Wd (MPN JLM714110). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: JLM714110; Brand: NTN; Compatible Cone Manufacturer Part Number: JLM714149.
NTN Tapered Roller Bearing Cup: 6 3/8 in OD, 1.062 in Cup Wd, 1.062 in Overall Wd, 48120. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 48120; Brand: NTN; Compatible Cone Manufacturer Part Number: 48190.
NTN
NTN Tapered Roller Bearing Cup: 6 3/8 in OD, 1.062 in Cup Wd, 1.062 in Overall Wd, 48120. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 48120; Brand: NTN; Compatible Cone Manufacturer Part Number: 48190.
NTN Tapered Roller Bearing Cup: 2 1/4 in OD, 0.687 in Cup Wd, 0.687 in Overall Wd, 4T-1220. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 4T-1220; Brand: NTN; Compatible Cone Manufacturer Part Number: 1280.
NTN
NTN Tapered Roller Bearing Cup: 2 1/4 in OD, 0.687 in Cup Wd, 0.687 in Overall Wd, 4T-1220. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 4T-1220; Brand: NTN; Compatible Cone Manufacturer Part Number: 1280.
NTN Tapered Roller Bearing Cup: 5 55/64 in Bore, 6 5/8 in OD, 1.625 in Cup Wd, 1.625 in Overall Wd (MPN 832). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 832; Brand: NTN; Compatible Cone Manufacturer Part Number: 835.
NTN
NTN Tapered Roller Bearing Cup: 5 55/64 in Bore, 6 5/8 in OD, 1.625 in Cup Wd, 1.625 in Overall Wd (MPN 832). Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 832; Brand: NTN; Compatible Cone Manufacturer Part Number: 835.
NTN Tapered Roller Bearing Cup: 4 1/16 in OD, 0.472 in Cup Wd, 0.472 in Overall Wd, 4T-L812111. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 4T-L812111; Brand: NTN; Compatible Cone Manufacturer Part Number: L812148.
NTN
NTN Tapered Roller Bearing Cup: 4 1/16 in OD, 0.472 in Cup Wd, 0.472 in Overall Wd, 4T-L812111. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 4T-L812111; Brand: NTN; Compatible Cone Manufacturer Part Number: L812148.
NTN Tapered Roller Bearing Cup: 3 15/32 in OD, 0.875 in Cup Wd, 0.875 in Overall Wd, 4T-414. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 4T-414; Brand: NTN; Compatible Cone Manufacturer Part Number: 420.
NTN
NTN Tapered Roller Bearing Cup: 3 15/32 in OD, 0.875 in Cup Wd, 0.875 in Overall Wd, 4T-414. Key specifications — System of Measurement: Inch; Ring Material: Alloy Steel; Manufacturer Part Number: 4T-414; Brand: NTN; Compatible Cone Manufacturer Part Number: 420.