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NTN 4T-HM903210 Tapered Roller Bearing Cup, 3 3/4 in OD, 0.875 in Width - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN 4T-HM903210 Tapered Roller Bearing Cup, 3 3/4 in OD, 0.875 in Width

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-113889) is an inch-system cup with a 3 3/4 in outer diameter, a 0.875 in cup width, and a 0.875 in overall width. It is made of alloy steel and is compatible with cone…

SKU 3G-OTH-113889

Also listed as: 4THM903210 · 4T HM903210

Brand
NTN
Item
4T-HM903210 Tapered Roller Bearing Cup, 3 3/4 in OD, 0.875 in Width
Category
Tapered Roller Bearing Cups
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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-HM903210
Type
4T-HM903210
Cup Wd
0.875 in
Overall Wd
0.875 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
HM903249A

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-113889) is an inch-system cup with a 3 3/4 in outer diameter, a 0.875 in cup width, and a 0.875 in overall width. It is made of alloy steel and is compatible with cone manufacturer part number HM903249A.

Frequently Asked Questions

What is the NTN tapered roller bearing cup 4T-HM903210 used for?

The NTN tapered roller bearing cup 4T-HM903210 is used as the outer ring component in tapered roller bearing assemblies. It supports radial and axial loads in industrial equipment such as gearboxes, conveyors, and automotive drivetrains, where precise alignment and durability are required.

What are the specifications of the NTN tapered roller bearing cup 4T-HM903210?

The NTN tapered roller bearing cup 4T-HM903210 has a 3 3/4 in outer diameter, a 0.875 in cup width, and a 0.875 in overall width. It is made of alloy steel, uses inch-system measurement, and is compatible with cone part number HM903249A.

Where to buy the NTN tapered roller bearing cup 4T-HM903210 worldwide?

You can source the NTN tapered roller bearing cup 4T-HM903210 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

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 overall width to your housing dimensions. Ensure the cup is compatible with the corresponding cone part number, such as HM903249A for the 4T-HM903210. Verify load ratings and operating conditions per NTN guidelines.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Inch-system tapered roller bearing cup made from alloy steel. Outside diameter 3 3/4 in, cup width 0.875 in, overall width 0.875 in. Compatible with cone HM903249. Used as outer race in tapered roller bearing assemblies for supporting radial and axial loads in gearboxes, conveyors, and pumps
NTN
Inch-system tapered roller bearing cup made from alloy steel. Outside diameter 3 3/4 in, cup width 0.875 in, overall width 0.875 in. Compatible with cone HM903249. Used as outer race in tapered roller bearing assemblies for supporting radial and axial loads in gearboxes, conveyors, and pumps
NTN tapered roller bearing cup made of alloy steel. Inch-system cup with 4 3/8 in outer diameter, 0.812 in cup width, and 0.812 in overall width. Compatible with cone part number HM907643. Used as the outer race in tapered roller bearing assemblies for supporting radial and axial loads in industrial equipment such as gearboxes and conveyors
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NTN tapered roller bearing cup made of alloy steel. Inch-system cup with 4 3/8 in outer diameter, 0.812 in cup width, and 0.812 in overall width. Compatible with cone part number HM907643. Used as the outer race in tapered roller bearing assemblies for supporting radial and axial loads in industrial equipment such as gearboxes and conveyors
This NTN tapered roller bearing cup is made of alloy steel and has an outer diameter of 5 1/8 in, a cup width of 0.937 in, and an overall width of 0.937 in. It is designed to pair with cone part number HM911244 to form a complete bearing set. Tapered roller bearing cups are used in rotating shaft applications to support combined radial and axial loads in industrial equipment such as gearboxes and conveyors
NTN
This NTN tapered roller bearing cup is made of alloy steel and has an outer diameter of 5 1/8 in, a cup width of 0.937 in, and an overall width of 0.937 in. It is designed to pair with cone part number HM911244 to form a complete bearing set. Tapered roller bearing cups are used in rotating shaft applications to support combined radial and axial loads in industrial equipment such as gearboxes and conveyors
Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 3 1/4 in, cup width 0.906 in, overall width 0.906 in. Designed to pair with cone HM801349 for use in machinery supporting combined radial and axial loads
NTN
Inch-system tapered roller bearing cup made of alloy steel. Outer diameter 3 1/4 in, cup width 0.906 in, overall width 0.906 in. Designed to pair with cone HM801349 for use in machinery supporting combined radial and axial loads
NTN Tapered Roller Bearing Cup: 3 3/4 in OD, 0.906 in Cup Wd, 0.906 in Overall Wd, 4T-HM804810
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NTN Tapered Roller Bearing Cup: 3 3/4 in OD, 0.906 in Cup Wd, 0.906 in Overall Wd, 4T-HM804810
NTN tapered roller bearing cup made of alloy steel. Inch-system cup with 2-7/8 in outer diameter, 0.906 in cup width, and 0.906 in overall width. Compatible with cone part number HM88547. Used as outer race in tapered roller bearing assemblies for supporting radial and axial loads in industrial equipment such as gearboxes, conveyors, and pumps
NTN
NTN tapered roller bearing cup made of alloy steel. Inch-system cup with 2-7/8 in outer diameter, 0.906 in cup width, and 0.906 in overall width. Compatible with cone part number HM88547. Used as outer race in tapered roller bearing assemblies for supporting radial and axial loads in industrial equipment such as gearboxes, conveyors, and pumps

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NTN L610510 tapered roller bearing cup, made of alloy steel. Cup width 0.593 in, overall width 0.75 in. Inch system. Compatible with cone L610549. Used as outer race in tapered roller bearing assemblies for supporting radial and axial loads in machinery such as gearboxes, conveyors, and pumps
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NTN L610510 tapered roller bearing cup, made of alloy steel. Cup width 0.593 in, overall width 0.75 in. Inch system. Compatible with cone L610549. Used as outer race in tapered roller bearing assemblies for supporting radial and axial loads in machinery such as gearboxes, conveyors, and pumps
Tapered roller bearing cup made of alloy steel, with an outer diameter of 4 7/16 in, cup width of 0.75 in, and overall width of 0.75 in. Inch-system component compatible with cone part number 29675. Used in bearing assemblies for applications requiring radial and axial load support
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Tapered roller bearing cup made of alloy steel, with an outer diameter of 4 7/16 in, cup width of 0.75 in, and overall width of 0.75 in. Inch-system component compatible with cone part number 29675. Used in bearing assemblies for applications requiring radial and axial load support
NTN 4T-2729X tapered roller bearing cup, inch system, with 3 in outside diameter, 0.75 in cup width, and 0.75 in overall width. Made of alloy steel. Compatible with cone part number 2788. Used in bearing assemblies for radial and axial load support in industrial equipment such as gearboxes and conveyors
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NTN 4T-2729X tapered roller bearing cup, inch system, with 3 in outside diameter, 0.75 in cup width, and 0.75 in overall width. Made of alloy steel. Compatible with cone part number 2788. Used in bearing assemblies for radial and axial load support in industrial equipment such as gearboxes and conveyors
Inch-system tapered roller bearing cup with 4 13/16 in outer diameter and 1.17 in cup width. Made of alloy steel. Compatible with cone part number HM 212046. Used in bearing assemblies to support radial and axial loads in rotating equipment
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Inch-system tapered roller bearing cup with 4 13/16 in outer diameter and 1.17 in cup width. Made of alloy steel. Compatible with cone part number HM 212046. Used in bearing assemblies to support radial and axial loads in rotating equipment
NTN 4T-452A tapered roller bearing cup with 4 1/4 in outer diameter, 1.063 in cup width, and 1.063 in overall width. Made from alloy steel, inch system. Pairs with cone part number 468 for use in rotating shaft applications
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NTN 4T-452A tapered roller bearing cup with 4 1/4 in outer diameter, 1.063 in cup width, and 1.063 in overall width. Made from alloy steel, inch system. Pairs with cone part number 468 for use in rotating shaft applications
NTN 45220 is an inch-system tapered roller bearing cup made of alloy steel. It has an outer diameter of 4-1/8 in, a cup width of 0.937 in, and an overall width of 0.937 in. This cup is designed to pair with cone part number 45280 to form a complete bearing set for supporting radial and axial loads in rotating shaft applications
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NTN 45220 is an inch-system tapered roller bearing cup made of alloy steel. It has an outer diameter of 4-1/8 in, a cup width of 0.937 in, and an overall width of 0.937 in. This cup is designed to pair with cone part number 45280 to form a complete bearing set for supporting radial and axial loads in rotating shaft applications
NTN 29630 tapered roller bearing cup, inch-system, made of alloy steel. Outer diameter 4 3/4 in, cup width 0.75 in, overall width 0.75 in. For use with compatible cone part number 27690 in bearing assemblies supporting radial and axial loads
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NTN 29630 tapered roller bearing cup, inch-system, made of alloy steel. Outer diameter 4 3/4 in, cup width 0.75 in, overall width 0.75 in. For use with compatible cone part number 27690 in bearing assemblies supporting radial and axial loads
Alloy steel tapered roller bearing cup with 9 in outside diameter, 1.75 in cup width, and 44.45 mm overall width. Designed for inch-system applications, it pairs with cone 4T-898 to support radial and axial loads in industrial machinery such as gearboxes, conveyors, and pumps
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Alloy steel tapered roller bearing cup with 9 in outside diameter, 1.75 in cup width, and 44.45 mm overall width. Designed for inch-system applications, it pairs with cone 4T-898 to support radial and axial loads in industrial machinery such as gearboxes, conveyors, and pumps