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NTN Tapered Roller Bearing Assembly: 3189/3120, 1 in Bore, 3 3/64 in OD - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN Tapered Roller Bearing Assembly: 3189/3120, 1 in Bore, 3 3/64 in OD

The NTN Tapered Roller Bearing Assembly, model 3189/3120 (MPN 4T-3189/3120), is an inch-system bearing with a 1 in bore, 3 3/64 in OD, and 1.187 in cone width. It features a carbon steel ring and a pressed steel cage.

SKU 3G-OTH-107741

Brand
NTN
Item
Tapered Roller Bearing Assembly: 3189/3120, 1 in Bore, 3 3/64 in OD
Category
Tapered Roller Bearing Assemblies
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Technical Specifications

NTN
Manufacturer Part Number
4T-3189/3120
Bore
1 in
OD
3 3/64 in
Cone Wd
1.187 in
Cage Material
Pressed Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
3189/3120
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NTN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN Tapered Roller Bearing Assembly, model 3189/3120 (MPN 4T-3189/3120), is an inch-system bearing with a 1 in bore, 3 3/64 in OD, and 1.187 in cone width. It features a carbon steel ring and a pressed steel cage.

Frequently Asked Questions

What is the NTN 3189/3120 tapered roller bearing used for?

The NTN 3189/3120 tapered roller bearing assembly is designed for radial and axial load support in industrial machinery, automotive drivetrains, and heavy equipment. Its inch-system dimensions and pressed steel cage suit moderate-speed applications requiring reliable load distribution.

What are the specifications of the NTN 4T-3189/3120 bearing?

The NTN 4T-3189/3120 is an inch-system tapered roller bearing assembly with a 1 in bore, 3 3/64 in OD, and 1.187 in cone width. It features carbon steel rings and a pressed steel cage. The bearing industry number is 3189/3120.

Where to buy the NTN 3189/3120 bearing worldwide?

3G Electric supplies the NTN 3189/3120 tapered roller bearing assembly worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

To select the correct NTN tapered roller bearing, match the bore, OD, and width to your shaft and housing dimensions. Consider load ratings, speed, and operating temperature. The 3189/3120 assembly uses inch measurements and carbon steel rings for general industrial use.

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

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