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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
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

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

Technical Documents

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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.

Frequently Asked Questions

What is the NTN 639 tapered roller bearing cone used for?

The NTN 639 tapered roller bearing cone is used in industrial machinery and automotive applications that require support for combined radial and axial loads. It is commonly found in gearboxes, conveyor systems, and heavy equipment where precise shaft alignment and high load capacity are needed.

What are the specifications of the NTN 639 tapered roller bearing cone?

The NTN 639 tapered roller bearing cone has a 2 1/2 in bore, 4.92 in OD, and 1.625 in cone width. It features a chrome steel cage, carbon steel ring, and a tapered bore type. This inch-system bearing is compatible with cup part number 633 and carries the industry number 639.

Where to buy the NTN 639 tapered roller bearing cone worldwide?

You can source the NTN 639 tapered roller bearing cone worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this bearing.

How to select the correct cup for the NTN 639 tapered roller bearing cone?

To select the correct cup for the NTN 639 tapered roller bearing cone, use the compatible cup manufacturer part number 633. Ensure the cup matches the cone's inch-system dimensions and load ratings. Always verify the cup's bore and OD specifications against your housing requirements for proper fit and performance.

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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