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NTN Tapered Roller Bearing Cone: 45291, 2 1/4 in Bore, 3.66 in OD, 1.218 in Cone Wd - Tapered Roller Bearing Cones
NTNTapered Roller Bearing Cones

NTN Tapered Roller Bearing Cone: 45291, 2 1/4 in Bore, 3.66 in OD, 1.218 in Cone Wd

The NTN 45291 is a tapered roller bearing cone with a 2 1/4 in bore, 3.66 in OD, and 1.218 in cone width. It features a tapered bore type, chrome steel cage, and carbon steel ring material. This inch-system component…

SKU 3G-OTH-103050

Brand
NTN
Item
Tapered Roller Bearing Cone: 45291, 2 1/4 in Bore, 3.66 in OD, 1.218 in Cone Wd
Category
Tapered Roller Bearing Cones
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Technical Specifications

NTN
Manufacturer Part Number
45291
Type
45291
Bore
2 1/4 in
OD
3.66 in
Cone Wd
1.218 in
Bore Type
Tapered
Cage Material
Chrome Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
45291
Compatible Cup Manufacturer Part Number
45220
View Full Spec Sheet

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

Product Description

The NTN 45291 is a tapered roller bearing cone with a 2 1/4 in bore, 3.66 in OD, and 1.218 in cone width. It features a tapered bore type, chrome steel cage, and carbon steel ring material. This inch-system component is compatible with cup manufacturer part number 45220.

Frequently Asked Questions

What is the NTN 45291 tapered roller bearing cone used for?

The NTN 45291 is a tapered roller bearing cone designed for radial and axial load support in industrial machinery, gearboxes, and conveyor systems. Its inch-system dimensions and carbon steel ring make it suitable for heavy-duty applications requiring precise alignment and durability.

What are the specifications of the NTN 45291 bearing cone?

The NTN 45291 has a 2 1/4 in bore, 3.66 in OD, and 1.218 in cone width. It features a tapered bore type, chrome steel cage, and carbon steel ring material. This inch-system component is compatible with cup part number 45220 and is manufactured by NTN.

Where to buy the NTN 45291 bearing cone worldwide?

3G Electric supplies the NTN 45291 tapered roller bearing cone to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine NTN components and support your procurement needs across 14 departments.

How to select the correct cup for the NTN 45291 cone?

To select the correct cup for the NTN 45291 cone, use the compatible cup manufacturer part number 45220. Ensure the cup matches the inch-system dimensions and tapered design. For proper load distribution and alignment, always pair the cone with the specified cup from NTN.

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

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