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NTN Tapered Roller Bearing Assembly: 27881/27820, 1 1/2 in Bore, 3 9/64 in OD - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN Tapered Roller Bearing Assembly: 27881/27820, 1 1/2 in Bore, 3 9/64 in OD

The NTN Tapered Roller Bearing Assembly, model 27881/27820 (MPN 4T-27881/27820), is an inch-system bearing with a 1 1/2 in bore, 3 9/64 in OD, and 0.824 in cone width. It features a carbon steel ring and a pressed…

SKU 3G-OTH-109046

Also listed as: 4T2788127820 · 4T 27881 27820 · 4T-27881-27820

Brand
NTN
Item
Tapered Roller Bearing Assembly: 27881/27820, 1 1/2 in Bore, 3 9/64 in OD
Category
Tapered Roller Bearing Assemblies
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Technical Specifications

NTN
Manufacturer Part Number
4T-27881/27820
Bore
1 1/2 in
OD
3 9/64 in
Cone Wd
0.824 in
Cage Material
Pressed Steel
Ring Material
Carbon Steel
System of Measurement
Inch
Bearing Industry Number
27881/27820

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Assembly, model 27881/27820 (MPN 4T-27881/27820), is an inch-system bearing with a 1 1/2 in bore, 3 9/64 in OD, and 0.824 in cone width. It features a carbon steel ring and a pressed steel cage, supplied by NTN.

Frequently Asked Questions

What is the NTN 27881/27820 tapered roller bearing used for?

The NTN 27881/27820 tapered roller bearing assembly is designed for radial and axial load applications in industrial gearboxes, conveyor systems, and automotive drivetrains. Its inch-system dimensions (1 1/2 in bore, 3 9/64 in OD) suit equipment requiring precise shaft support and high load capacity.

What are the specifications of the NTN 4T-27881/27820 bearing?

The NTN 4T-27881/27820 is an inch-system tapered roller bearing assembly with a 1 1/2 in bore, 3 9/64 in OD, and 0.824 in cone width. It features a carbon steel ring and pressed steel cage. The bearing industry number is 27881/27820, and it is supplied by NTN.

Where to buy NTN 27881/27820 bearings worldwide?

You can source the NTN 27881/27820 tapered roller bearing assembly worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles 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 (1 1/2 in), OD (3 9/64 in), and cone width (0.824 in) to your shaft and housing dimensions. Verify load ratings and speed limits from NTN specifications. For inch-system applications, the 27881/27820 assembly is a common choice.

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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Cross-referenced by specification & description
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