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NTN Tapered Roller Bearing Cup: 6 3/8 in OD, 2.437 in Cup Wd, 2.437 in Overall Wd - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN Tapered Roller Bearing Cup: 6 3/8 in OD, 2.437 in Cup Wd, 2.437 in Overall Wd

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-109177) is an inch-system cup with a 6 3/8 in outside diameter, a 2.437 in cup width, and a 2.437 in overall width. Made from alloy steel, this cup is designed to pair…

SKU 3G-OTH-109177

Also listed as: 52637 D · 52637-D

Brand
NTN
Item
Tapered Roller Bearing Cup: 6 3/8 in OD, 2.437 in Cup Wd, 2.437 in Overall Wd
Category
Tapered Roller Bearing Cups
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NTN
Manufacturer Part Number
52637D
Type
52637D
Cup Wd
2.437 in
Overall Wd
2.437 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
52375

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-109177) is an inch-system cup with a 6 3/8 in outside diameter, a 2.437 in cup width, and a 2.437 in overall width. Made from alloy steel, this cup is designed to pair with cone part number 52375. The manufacturer part number is 52637D.

Frequently Asked Questions

What is the NTN 52637D tapered roller bearing cup used for?

The NTN 52637D tapered roller bearing cup is used in industrial machinery to support radial and axial loads. It pairs with cone 52375 in applications like gearboxes, conveyors, and heavy equipment. The alloy steel construction provides durability under high loads and moderate speeds.

What are the specifications of the NTN 52637D tapered roller bearing cup?

The NTN 52637D cup has a 6 3/8 in outside diameter, a 2.437 in cup width, and a 2.437 in overall width. It is made from alloy steel, uses inch-system measurement, and is compatible with cone part number 52375. The manufacturer part number is 52637D.

Where to buy the NTN 52637D tapered roller bearing cup worldwide?

You can source the NTN 52637D tapered roller bearing cup from 3G Electric, a global industrial equipment distributor. We handle logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this NTN bearing component.

How to select the correct NTN tapered roller bearing cup for an application?

To select the correct NTN cup, match the outside diameter, cup width, and overall width to your housing dimensions. Ensure the cup is compatible with the cone part number, such as 52375 for the 52637D. Verify the system of measurement (inch) and load ratings from NTN specifications.

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 cups. 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 Cup: 4 1/16 in OD, 1.437 in Cup Wd, 1.437 in Overall Wd, 5335
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NTN Tapered Roller Bearing Cup: 4 1/16 in OD, 1.437 in Cup Wd, 1.437 in Overall Wd, 5335
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NTN Tapered Roller Bearing Cup: 4 3/8 in OD, 1.187 in Cup Wd, 1.187 in Overall Wd, 532A
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NTN Tapered Roller Bearing Cup: 6 1/8 in OD, 3.375 in Cup Wd, 3.375 in Overall Wd, 742D
NTN Tapered Roller Bearing Cup: 6 3/8 in OD, 1.031 in Cup Wd, 1.031 in Overall Wd, 52637
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NTN Tapered Roller Bearing Cup: 6 3/8 in OD, 1.031 in Cup Wd, 1.031 in Overall Wd, 52637
NTN Tapered Roller Bearing Cup: 6 1/2 in OD, 1.062 in Cup Wd, 1.062 in Overall Wd, 56650
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NTN Tapered Roller Bearing Cup: 6 1/2 in OD, 1.062 in Cup Wd, 1.062 in Overall Wd, 56650

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