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NTN 4 Bolt Flange Bearing: Radial Ball, 2 11/16 in Bore, Cast Iron, Set Screws - General Purpose Flange-Mount Ball Bearings
NTNGeneral Purpose Flange-Mount Ball Bearings

NTN 4 Bolt Flange Bearing: Radial Ball, 2 11/16 in Bore, Cast Iron, Set Screws

The NTN 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 2 11/16 in cylindrical bore and a cast iron housing. It features set screws for shaft locking, uses NLGI #3 equivalent lubricant…

SKU 3G-OTH-120221

Brand
NTN
Item
4 Bolt Flange Bearing: Radial Ball, 2 11/16 in Bore, Cast Iron, Set Screws
Category
General Purpose Flange-Mount Ball Bearings
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Technical Specifications

NTN
Manufacturer Part Number
UCFUX-2.11/16M
Type
Cast Iron, Set Screws, Square
Bore
2 11/16 in
Lg
7 7/8 in
Bore Type
Cylindrical
Lubricant Material
NLGI #3 Equivalent
Mounting Bolt Size
3/4 in
System of Measurement
Inch
View Full Spec Sheet

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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 2 11/16 in cylindrical bore and a cast iron housing. It features set screws for shaft locking, uses NLGI #3 equivalent lubricant, and accepts a 3/4 in mounting bolt. This inch-system unit is identified by manufacturer part number UCFUX-2.11/16M.

Frequently Asked Questions

What is the NTN 4 Bolt Flange Bearing used for?

The NTN 4 Bolt Flange Bearing is used in industrial power transmission systems to support rotating shafts in conveyors, fans, and material handling equipment. Its cast iron housing and set-screw locking provide reliable radial load support in moderate-duty applications.

What are the specifications of the NTN UCFUX-2.11/16M flange bearing?

This NTN flange bearing has a 2 11/16 in cylindrical bore, a 7 7/8 in length, and a cast iron square housing with set-screw shaft locking. It uses NLGI #3 equivalent lubricant, accepts a 3/4 in mounting bolt, and is an inch-system unit (MPN UCFUX-2.11/16M).

Where to buy the NTN 4 Bolt Flange Bearing worldwide?

3G Electric supplies the NTN 4 Bolt Flange Bearing worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this inch-system unit.

How to install the NTN flange bearing with set screws?

To install, align the bearing housing on a flat surface and tighten the 3/4 in mounting bolts. Slide the shaft through the 2 11/16 in bore, then tighten the set screws evenly against the shaft using a hex key. Ensure the shaft is clean and lubricated per NTN guidelines.

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 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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