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NTN 4 Bolt Flange Bearing: Radial Ball, 1 3/4 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, 1 3/4 in Bore, Cast Iron, Set Screws

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

SKU 3G-OTH-108269

Brand
NTN
Item
4 Bolt Flange Bearing: Radial Ball, 1 3/4 in Bore, Cast Iron, Set Screws
Category
General Purpose Flange-Mount Ball Bearings
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Technical Specifications

NTN
Manufacturer Part Number
UCFU-1.3/4MFG1
Type
Cast Iron, Set Screws, Square
Bore
1 3/4 in
Lg
5 13/32 in
Bore Type
Cylindrical
Lubricant Material
NLGI #3 Equivalent
Mounting Bolt Size
1/2 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 1 3/4 in cylindrical bore, a cast iron housing, and set screw locking. It features an NLGI #3 equivalent lubricant, a 1/2 in mounting bolt size, and a 5 13/32 in length in a square configuration (MPN UCFU-1.3/4MFG1). This inch-system bearing is designed for industrial equipment requiring radial ball support.

Frequently Asked Questions

What is the NTN 4 Bolt Flange Bearing used for?

The NTN 4 Bolt Flange Bearing provides radial ball support in industrial equipment such as conveyors, fans, and material handling systems. Its cast iron housing and set screw locking suit moderate-load applications where a compact, square flange mount is required.

What are the specifications of the NTN UCFU-1.3/4MFG1 bearing?

This NTN bearing has a 1 3/4 in cylindrical bore, a cast iron housing with set screw locking, and a 5 13/32 in length. It uses NLGI #3 equivalent lubricant, a 1/2 in mounting bolt size, and is an inch-system radial ball flange bearing.

Where to buy the NTN 4 Bolt Flange Bearing worldwide?

3G Electric supplies the NTN 4 Bolt Flange Bearing to global customers. We handle full logistics, customs clearance, and delivery worldwide. Contact us for availability and lead time on this inch-system radial ball bearing.

How to install the NTN flange bearing with set screws?

Align the bearing squarely on the shaft, tighten the set screws evenly to the manufacturer's torque specification, and bolt the flange to a flat mounting surface using 1/2 in bolts. 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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