We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

NTN Tapered Roller Bearing Cup: 3 9/64 in OD, 0.728 in Cup Wd, 0.728 in Overall Wd - Tapered Roller Bearing Cups
NTNTapered Roller Bearing Cups

NTN Tapered Roller Bearing Cup: 3 9/64 in OD, 0.728 in Cup Wd, 0.728 in Overall Wd

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-107044) is an inch-system cup with a 3 9/64 in outer diameter, 0.728 in cup width, and 0.728 in overall width. Made from alloy steel, this cup is compatible with cone…

SKU 3G-OTH-107044

Also listed as: 4T27820 · 4T 27820

Brand
NTN
Item
Tapered Roller Bearing Cup: 3 9/64 in OD, 0.728 in Cup Wd, 0.728 in Overall Wd
Category
Tapered Roller Bearing Cups
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NTN
Manufacturer Part Number
4T-27820
Type
4T-27820
Cup Wd
0.728 in
Overall Wd
0.728 in
Ring Material
Alloy Steel
System of Measurement
Inch
Compatible Cone Manufacturer Part Number
27881

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-107044) is an inch-system cup with a 3 9/64 in outer diameter, 0.728 in cup width, and 0.728 in overall width. Made from alloy steel, this cup is compatible with cone manufacturer part number 27881 and carries the manufacturer part number 4T-27820.

Frequently Asked Questions

What is the NTN 4T-27820 tapered roller bearing cup used for?

The NTN 4T-27820 tapered roller bearing cup is used in industrial machinery and automotive applications to support radial and axial loads. It pairs with cone 27881 to form a complete bearing assembly, commonly found in gearboxes, conveyors, and wheel hubs.

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

The NTN 4T-27820 is an inch-system tapered roller bearing cup with a 3 9/64 in outer diameter, 0.728 in cup width, and 0.728 in overall width. It is made from alloy steel and is compatible with cone manufacturer part number 27881.

Where to buy the NTN 4T-27820 bearing cup worldwide?

You can source the NTN 4T-27820 tapered roller bearing cup from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive genuine NTN components for your operations.

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

To select the correct NTN tapered roller bearing cup, match the cup part number (e.g., 4T-27820) with its compatible cone (27881). Verify the inch-system dimensions—outer diameter, cup width, and overall width—against your housing and shaft requirements. Consult NTN's catalog for load ratings and speed limits.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
NTN Tapered Roller Bearing Cup: 5 1/8 in OD, 0.656 in Cup Wd, 0.656 in Overall Wd, 4T-L319210
NTN
NTN Tapered Roller Bearing Cup: 5 1/8 in OD, 0.656 in Cup Wd, 0.656 in Overall Wd, 4T-L319210
NTN Tapered Roller Bearing Cup: 3 9/64 in OD, 0.625 in Cup Wd, 0.625 in Overall Wd, 4T-28317
NTN
NTN Tapered Roller Bearing Cup: 3 9/64 in OD, 0.625 in Cup Wd, 0.625 in Overall Wd, 4T-28317
NTN Tapered Roller Bearing Cup: 3 9/64 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd, 4T-26824
NTN
NTN Tapered Roller Bearing Cup: 3 9/64 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd, 4T-26824
NTN Tapered Roller Bearing Cup: 3 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd, 4T-2729X
NTN
NTN Tapered Roller Bearing Cup: 3 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd, 4T-2729X
NTN Tapered Roller Bearing Cup: 2 7/8 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd, 4T-2735X
NTN
NTN Tapered Roller Bearing Cup: 2 7/8 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd, 4T-2735X
NTN Tapered Roller Bearing Cup: 3 9/64 in OD, 0.812 in Cup Wd, 0.812 in Overall Wd, 4T-26830
NTN
NTN Tapered Roller Bearing Cup: 3 9/64 in OD, 0.812 in Cup Wd, 0.812 in Overall Wd, 4T-26830

More from NTN

View all NTN parts
NTN Tapered Roller Bearing Cup: 2 3/8 in OD, 0.625 in Cup Wd, 0.625 in Overall Wd, 4T-1931
NTN
NTN Tapered Roller Bearing Cup: 2 3/8 in OD, 0.625 in Cup Wd, 0.625 in Overall Wd, 4T-1931
NTN Tapered Roller Bearing Cup: 3 49/64 in Bore, 4 1/4 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd (MPN 29520)
NTN
NTN Tapered Roller Bearing Cup: 3 49/64 in Bore, 4 1/4 in OD, 0.75 in Cup Wd, 0.75 in Overall Wd (MPN 29520)
NTN Tapered Roller Bearing Cup: 4 1/64 in Bore, 4 7/8 in OD, 1 in Cup Wd, 1 in Overall Wd, 72487
NTN
NTN Tapered Roller Bearing Cup: 4 1/64 in Bore, 4 7/8 in OD, 1 in Cup Wd, 1 in Overall Wd, 72487
NTN Tapered Roller Bearing Cup: 2 5/64 in Bore, 1 7/8 in OD, 0.66 in Cup Wd, 0.47 in Overall Wd (MPN L68111)
NTN
NTN Tapered Roller Bearing Cup: 2 5/64 in Bore, 1 7/8 in OD, 0.66 in Cup Wd, 0.47 in Overall Wd (MPN L68111)
NTN Tapered Roller Bearing Cup: 3 1/2 in Bore, 3 59/64 in OD, 0.781 in Cup Wd, 0.781 in Overall Wd (MPN 28921)
NTN
NTN Tapered Roller Bearing Cup: 3 1/2 in Bore, 3 59/64 in OD, 0.781 in Cup Wd, 0.781 in Overall Wd (MPN 28921)
NTN Tapered Roller Bearing Cup: 4 11/64 in Bore, 4 13/16 in OD, 1.437 in Cup Wd, 1.437 in Overall Wd (MPN 5535)
NTN
NTN Tapered Roller Bearing Cup: 4 11/64 in Bore, 4 13/16 in OD, 1.437 in Cup Wd, 1.437 in Overall Wd (MPN 5535)
NTN Tapered Roller Bearing Cup: 45.618 mm Bore, 3 17/64 in OD, 0.75 in Cup Wd, 19.05 mm Overall Wd (MPN 25521)
NTN
NTN Tapered Roller Bearing Cup: 45.618 mm Bore, 3 17/64 in OD, 0.75 in Cup Wd, 19.05 mm Overall Wd (MPN 25521)
NTN Tapered Roller Bearing Cup: 75 mm Bore, 4 33/64 in OD, 0.748 in Cup Wd, 19 mm Overall Wd (MPN JLM714110)
NTN
NTN Tapered Roller Bearing Cup: 75 mm Bore, 4 33/64 in OD, 0.748 in Cup Wd, 19 mm Overall Wd (MPN JLM714110)