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NTN Tapered Roller Bearing Cone: 639, 2 1/2 in Bore, 4.92 in OD, 1.625 in Cone Wd - Tapered Roller Bearing Cones

NTNTapered Roller Bearing Cones

NTN Tapered Roller Bearing Cone: 639, 2 1/2 in Bore, 4.92 in OD, 1.625 in Cone Wd

The NTN Tapered Roller Bearing Cone: 639 is an inch-system tapered roller bearing cone with a 2 1/2 in bore, 4.92 in OD, and 1.625 in cone width. It features a chrome steel cage and carbon steel ring, and is…

SKU 3G-OTH-115551

Brand

NTN

Item

Tapered Roller Bearing Cone: 639, 2 1/2 in Bore, 4.92 in OD, 1.625 in Cone Wd

Category

Tapered Roller Bearing Cones

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Technical Specifications

NTN

Manufacturer Part Number

639

Type

639

Bore

2 1/2 in 

OD

4.92 in 

Cone Wd

1.625 in 

Bore Type

Tapered 

Cage Material

Chrome Steel 

Ring Material

Carbon Steel 

System of Measurement

Inch 

Bearing Industry Number

639

Compatible Cup Manufacturer Part Number

633

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NTN Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN Tapered Roller Bearing Cone: 639 is an inch-system tapered roller bearing cone with a 2 1/2 in bore, 4.92 in OD, and 1.625 in cone width. It features a chrome steel cage and carbon steel ring, and is compatible with cup manufacturer part number 633.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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.

Browse all NTN products →Contact our engineers →

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