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

NTN 4T-78537 Tapered Roller Bearing Cup, 5 3/8 in OD, 0.926 in Width - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN 4T-78537 Tapered Roller Bearing Cup, 5 3/8 in OD, 0.926 in Width

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-106076) is an inch-system cup component with a 5 3/8 in outer diameter, 0.926 in cup width, and 0.926 in overall width. Manufactured from alloy steel, this NTN cup is…

SKU 3G-OTH-106076

Also listed as: 4T78537 · 4T 78537

Brand
NTN
Item
4T-78537 Tapered Roller Bearing Cup, 5 3/8 in OD, 0.926 in Width
Category
Tapered Roller Bearing Cups
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

NTN
Manufacturer Part Number
4T-78537
Type
4T-78537
Cup Wd
0.926 in
Overall Wd
0.926 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
78238

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 3G-OTH-106076) is an inch-system cup component with a 5 3/8 in outer diameter, 0.926 in cup width, and 0.926 in overall width. Manufactured from alloy steel, this NTN cup is designed for use with the compatible cone part number 78238 and carries the manufacturer part number 4T-78537.

Frequently Asked Questions

What is an NTN tapered roller bearing cup used for?

An NTN tapered roller bearing cup is the outer ring component of a tapered roller bearing assembly. It supports radial and axial loads in industrial machinery such as gearboxes, conveyors, and automotive axles. This inch-system cup (5 3/8 in OD) works with a compatible cone to handle combined loads in rotating equipment.

What are the specifications of the NTN 4T-78537 tapered roller bearing cup?

The NTN 4T-78537 tapered roller bearing cup has a 5 3/8 in outer diameter, 0.926 in cup width, and 0.926 in overall width. It is made of alloy steel, uses inch-system measurement, and is compatible with cone part number 78238. This cup is designed for heavy-duty industrial applications requiring precise load distribution.

Where to buy NTN tapered roller bearing cups worldwide?

3G Electric supplies NTN tapered roller bearing cups worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the NTN 4T-78537 cup. We source and deliver genuine NTN components globally.

How to select the correct NTN tapered roller bearing cup for an application?

To select the correct NTN tapered roller bearing cup, match the outer diameter, cup width, and system of measurement to your bearing assembly. The NTN 4T-78537 cup requires a compatible cone (part 78238) and is designed for inch-system shafts. Verify load ratings and operating conditions with NTN specifications for optimal performance.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
NTN Tapered Roller Bearing Cup: 8 in OD, 1.812 in Cup Wd, 1.812 in Overall Wd, 4T-67324
NTN
NTN Tapered Roller Bearing Cup: 8 in OD, 1.812 in Cup Wd, 1.812 in Overall Wd, 4T-67324
NTN Tapered Roller Bearing Cup: 4 13/16 in OD, 0.937 in Cup Wd, 0.937 in Overall Wd, 4T-66520
NTN
NTN Tapered Roller Bearing Cup: 4 13/16 in OD, 0.937 in Cup Wd, 0.937 in Overall Wd, 4T-66520
NTN Tapered Roller Bearing Cup: 3 1/8 in OD, 0.687 in Cup Wd, 0.687 in Overall Wd, 4T-43312
NTN
NTN Tapered Roller Bearing Cup: 3 1/8 in OD, 0.687 in Cup Wd, 0.687 in Overall Wd, 4T-43312
NTN Tapered Roller Bearing Cup: 5 7/8 in OD, 0.968 in Cup Wd, 0.968 in Overall Wd, 4T-42587B
NTN
NTN Tapered Roller Bearing Cup: 5 7/8 in OD, 0.968 in Cup Wd, 0.968 in Overall Wd, 4T-42587B
Alloy steel outer race for tapered roller bearing assemblies. Cup width and overall width are 1.375 in. Compatible with cone part number 74500. Supports radial and axial loads in industrial equipment such as gearboxes and conveyors
NTN
Alloy steel outer race for tapered roller bearing assemblies. Cup width and overall width are 1.375 in. Compatible with cone part number 74500. Supports radial and axial loads in industrial equipment such as gearboxes and conveyors
NTN Tapered Roller Bearing Cup: 4 7/16 in OD, 0.812 in Cup Wd, 0.812 in Overall Wd, 55443PW2
NTN
NTN Tapered Roller Bearing Cup: 4 7/16 in OD, 0.812 in Cup Wd, 0.812 in Overall Wd, 55443PW2

More from NTN

View all NTN parts
Alloy steel tapered roller bearing cup with 7 1/4 in outside diameter, 2.062 in cup width, and 1.375 in overall width. Designed for inch-system bearing assemblies, this cup pairs with cone HH421246 to support combined radial and axial loads in heavy-duty rotating equipment
NTN
Alloy steel tapered roller bearing cup with 7 1/4 in outside diameter, 2.062 in cup width, and 1.375 in overall width. Designed for inch-system bearing assemblies, this cup pairs with cone HH421246 to support combined radial and axial loads in heavy-duty rotating equipment
Inch-system tapered roller bearing cup made from alloy steel. Outer diameter 4 1/8 in, cup width 1.142 in, overall width 1.142 in. Compatible with cone JHM807035. Used in bearing assemblies to support combined radial and axial loads in rotating shaft applications
NTN
Inch-system tapered roller bearing cup made from alloy steel. Outer diameter 4 1/8 in, cup width 1.142 in, overall width 1.142 in. Compatible with cone JHM807035. Used in bearing assemblies to support combined radial and axial loads in rotating shaft applications
Inch-system tapered roller bearing cup made of alloy steel. Outside diameter 3 11/16 in, cup width 1.031 in, overall width 1.031 in. Compatible with cone part number 46143. Used in bearing assemblies for radial and axial load support in industrial machinery such as gearboxes and conveyors
NTN
Inch-system tapered roller bearing cup made of alloy steel. Outside diameter 3 11/16 in, cup width 1.031 in, overall width 1.031 in. Compatible with cone part number 46143. Used in bearing assemblies for radial and axial load support in industrial machinery such as gearboxes and conveyors
Inch-system tapered roller bearing cup made from alloy steel. Outer diameter 2 9/16 in, cup width 0.55 in. Designed for use with compatible cone LM29749 in bearing assemblies supporting radial and axial loads in industrial equipment
NTN
Inch-system tapered roller bearing cup made from alloy steel. Outer diameter 2 9/16 in, cup width 0.55 in. Designed for use with compatible cone LM29749 in bearing assemblies supporting radial and axial loads in industrial equipment
NTN JM515610 tapered roller bearing cup made of alloy steel. Outer diameter 5-7/64 in, cup width 1.122 in, overall width 1.312 in. Designed for use with cone JM515649 in tapered roller bearing assemblies to support radial and axial loads in rotating shaft applications
NTN
NTN JM515610 tapered roller bearing cup made of alloy steel. Outer diameter 5-7/64 in, cup width 1.122 in, overall width 1.312 in. Designed for use with cone JM515649 in tapered roller bearing assemblies to support radial and axial loads in rotating shaft applications
Inch-system tapered roller bearing cup made from alloy steel. Outer diameter 7 11/64 in, cup width 1.313 in. Designed for use with compatible cone MPN 48286 in bearing assemblies supporting radial and axial loads in industrial equipment such as gearboxes and conveyors
NTN
Inch-system tapered roller bearing cup made from alloy steel. Outer diameter 7 11/64 in, cup width 1.313 in. Designed for use with compatible cone MPN 48286 in bearing assemblies supporting radial and axial loads in industrial equipment such as gearboxes and conveyors
Tapered roller bearing cup made of alloy steel. Inch-system design with 4 49/64 in outer diameter and 0.687 in cup width. Used as outer race in tapered roller bearing assemblies for supporting combined radial and axial loads in industrial machinery and automotive applications
NTN
Tapered roller bearing cup made of alloy steel. Inch-system design with 4 49/64 in outer diameter and 0.687 in cup width. Used as outer race in tapered roller bearing assemblies for supporting combined radial and axial loads in industrial machinery and automotive applications
This NTN tapered roller bearing cup is made of alloy steel and has an outer diameter of 2 7/16 in, a cup width of 0.625 in, and an overall width of 0.625 in. It is designed for inch-system applications and is compatible with cone part number 15106. Used in bearing assemblies to support radial and axial loads in industrial equipment such as gearboxes, conveyors, and automotive drivetrains
NTN
This NTN tapered roller bearing cup is made of alloy steel and has an outer diameter of 2 7/16 in, a cup width of 0.625 in, and an overall width of 0.625 in. It is designed for inch-system applications and is compatible with cone part number 15106. Used in bearing assemblies to support radial and axial loads in industrial equipment such as gearboxes, conveyors, and automotive drivetrains