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NTN UCFU-1.3/8M General Purpose Flange-Mount Ball Bearing - General Purpose Flange-Mount Ball Bearings
NTNGeneral Purpose Flange-Mount Ball Bearings

NTN UCFU-1.3/8M General Purpose Flange-Mount Ball Bearing

The NTN 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 1 3/8 in cylindrical bore, cast iron housing, and set screw locking. It features an NLGI #3 equivalent lubricant, a 1/2 in mounting…

SKU 3G-OTH-113788

Also listed as: UCFU138M · UCFU 1 3 8M · UCFU-1-3-8M

Brand
NTN
Item
UCFU-1.3/8M General Purpose Flange-Mount Ball Bearing
Part Number
UCFU-1.3/8M
Category
General Purpose Flange-Mount Ball Bearings
Available to Order
Also known as:UCFU-1.3/8MNTN
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Technical Specifications

NTN
Manufacturer Part Number
UCFU-1.3/8M
Type
Cast Iron, Set Screws, Square
Bore
1 3/8 in
Lg
4 21/32 in
Bore Type
Cylindrical
Lubricant Material
NLGI #3 Equivalent
Mounting Bolt Size
1/2 in
System of Measurement
Inch

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

Product Description

The NTN 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 1 3/8 in cylindrical bore, cast iron housing, and set screw locking. It features an NLGI #3 equivalent lubricant, a 1/2 in mounting bolt size, and a 4 21/32 in length in a square configuration (MPN UCFU-1.3/8M). This inch-system bearing is designed for radial load applications requiring a compact, four-bolt flange mount.

Frequently Asked Questions

What is the NTN 4 Bolt Flange Bearing used for?

The NTN 4 Bolt Flange Bearing is used in industrial machinery requiring radial load support with a compact, four-bolt flange mount. Common applications include conveyors, fans, and material handling equipment where a cast iron housing and set screw locking provide reliable shaft retention.

What are the specifications of the NTN UCFU-1.3/8M flange bearing?

The NTN UCFU-1.3/8M has a 1 3/8 in cylindrical bore, cast iron housing with set screw locking, and a square 4 21/32 in length. It uses NLGI #3 equivalent lubricant, a 1/2 in mounting bolt size, and is designed for inch-system radial load applications.

Where to buy the NTN 4 Bolt Flange Bearing worldwide?

You can source the NTN 4 Bolt Flange Bearing through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the genuine NTN UCFU-1.3/8M bearing for your application.

How to install the NTN 4 Bolt Flange Bearing?

To install the NTN 4 Bolt Flange Bearing, first clean the shaft and housing bore. Slide the bearing onto the shaft, align the four bolt holes with the mounting surface, and tighten the 1/2 in bolts evenly. Secure the shaft by tightening the set screws against the shaft using a hex key.

Used in

Common applications for NTN
Material handling conveyors — NTN UCPL-1.3/16M pillow block ball bearings with cast iron housing and set screw locking for shaft support.
Automotive wheel hubs — NTN tapered roller bearing assemblies like LM814849/LM814810 for combined radial and axial load handling.
Industrial gearboxes — NTN tapered roller bearing cones such as 4T-05062 with chrome steel cage for moderate-speed applications.
Agricultural machinery — NTN inch-system tapered roller bearing assemblies like LM29748/LM29710 for reliable operation in dusty environments.
Pumps and compressors — NTN metric tapered roller bearing assemblies such as 33213 with carbon steel rings for high radial and axial loads.
Power transmission equipment — NTN pillow block ball bearings with 1 3/16 in bore for supporting rotating shafts in belt drives.
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NTN Products

3G Electric supplies NTN general purpose flange-mount ball bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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