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NTN Tapered Roller Bearing Assembly: 45291/45220, 2 1/4 in Bore, 4 1/8 in OD - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN Tapered Roller Bearing Assembly: 45291/45220, 2 1/4 in Bore, 4 1/8 in OD

The NTN Tapered Roller Bearing Assembly, model 45291/45220, is an inch-system bearing with a 2 1/4 in bore, 4 1/8 in OD, and 1.218 in cone width. It features a pressed steel cage and carbon steel rings, making it…

SKU 3G-OTH-109094

Also listed as: 4529145220 · 45291 45220 · 45291-45220

Brand
NTN
Item
Tapered Roller Bearing Assembly: 45291/45220, 2 1/4 in Bore, 4 1/8 in OD
Category
Tapered Roller Bearing Assemblies
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NTN
Manufacturer Part Number
45291/45220
Bore
2 1/4 in
OD
4 1/8 in
Cone Wd
1.218 in
Cage Material
Pressed Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
45291/45220

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

Product Description

The NTN Tapered Roller Bearing Assembly, model 45291/45220, is an inch-system bearing with a 2 1/4 in bore, 4 1/8 in OD, and 1.218 in cone width. It features a pressed steel cage and carbon steel rings, making it suitable for radial and axial load applications in industrial equipment.

Frequently Asked Questions

What is the NTN 45291/45220 tapered roller bearing used for?

The NTN 45291/45220 tapered roller bearing assembly handles combined radial and axial loads in industrial equipment such as gearboxes, conveyors, and machine tool spindles. Its carbon steel rings and pressed steel cage provide durability under moderate speeds and heavy loads.

What are the specifications of the NTN 45291/45220 bearing?

The NTN 45291/45220 is an inch-system tapered roller bearing assembly with a 2 1/4 in bore, 4 1/8 in OD, and 1.218 in cone width. It features carbon steel rings and a pressed steel cage. The manufacturer part number and bearing industry number are both 45291/45220.

Where to buy the NTN 45291/45220 bearing worldwide?

3G Electric supplies the NTN 45291/45220 tapered roller bearing assembly worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. 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 cone width to your shaft and housing dimensions. Consider load type—radial, axial, or combined—and operating speed. The NTN 45291/45220 uses inch measurements; verify your system of measurement before ordering.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
NTN Tapered Roller Bearing Assembly: 45290/45220, 2 1/4 in Bore, 4 1/8 in OD, 1.218 in Cone Wd
NTN
NTN Tapered Roller Bearing Assembly: 45290/45220, 2 1/4 in Bore, 4 1/8 in OD, 1.218 in Cone Wd
NTN Tapered Roller Bearing Assembly: SET409, 1 3/4 in Bore, 4 1/8 in OD, 1.218 in Cone Wd (MPN 45280/45220)
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NTN Tapered Roller Bearing Assembly: SET409, 1 3/4 in Bore, 4 1/8 in OD, 1.218 in Cone Wd (MPN 45280/45220)
NTN Tapered Roller Bearing Assembly: 46792/46720, 6 9/16 in Bore, 8 7/8 in OD, 1.562 in Cone Wd
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NTN Tapered Roller Bearing Assembly: 46792/46720, 6 9/16 in Bore, 8 7/8 in OD, 1.562 in Cone Wd
NTN Tapered Roller Bearing Assembly: SET408, 2 5/8 in Bore, 4 7/16 in OD, 1.187 in Cone Wd (MPN 39590/39520)
NTN
NTN Tapered Roller Bearing Assembly: SET408, 2 5/8 in Bore, 4 7/16 in OD, 1.187 in Cone Wd (MPN 39590/39520)
NTN Tapered Roller Bearing Assembly: 46780/46720, 6 1/4 in Bore, 8 7/8 in OD, 1.562 in Cone Wd
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NTN Tapered Roller Bearing Assembly: 46780/46720, 6 1/4 in Bore, 8 7/8 in OD, 1.562 in Cone Wd
NTN Tapered Roller Bearing Assembly: 39578/39520, 2 1/8 in Bore, 4 7/16 in OD, 1.187 in Cone Wd
NTN
NTN Tapered Roller Bearing Assembly: 39578/39520, 2 1/8 in Bore, 4 7/16 in OD, 1.187 in Cone Wd

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