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NTN 4 Bolt Flange Bearing: Radial Ball, 1/2 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, 1/2 in Bore, Cast Iron, Set Screws

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

SKU 3G-OTH-114382

Brand
NTN
Item
4 Bolt Flange Bearing: Radial Ball, 1/2 in Bore, Cast Iron, Set Screws
Category
General Purpose Flange-Mount Ball Bearings
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Technical Specifications

NTN
Manufacturer Part Number
UCFU-1/2M
Type
Cast Iron, Set Screws
Bore
1/2 in
Lg
3 in
Wd
1 19/64 in
Bore Type
Cylindrical
Lubricant Material
NLGI #3 Equivalent
Mounting Bolt Size
3/8 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 1/2 in cylindrical bore and a cast iron housing. It features set screws for shaft locking and uses NLGI #3 equivalent lubricant. The bearing has a mounting bolt size of 3/8 in and overall dimensions of 3 in length and 1 19/64 in width.

Frequently Asked Questions

What is the NTN 4 Bolt Flange Bearing used for?

The NTN 4 Bolt Flange Bearing is used in general purpose industrial applications requiring radial load support and shaft alignment. It is commonly installed on conveyor systems, packaging machinery, and agricultural equipment where a compact, bolt-on mounting solution is needed.

What are the specifications of the NTN 4 Bolt Flange Bearing?

This NTN bearing has a 1/2 in cylindrical bore, cast iron housing with set screws, and uses NLGI #3 equivalent lubricant. Mounting bolt size is 3/8 in. Overall dimensions are 3 in length and 1 19/64 in width. The manufacturer part number is UCFU-1/2M.

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. Contact us for availability and lead time on this part.

How to install the NTN 4 Bolt Flange Bearing?

Install the NTN bearing by bolting the cast iron flange to a flat mounting surface using 3/8 in bolts. Tighten the set screws onto the shaft to lock it in place. Ensure the shaft is clean and aligned before final tightening. Follow NTN's generic installation guidelines for best results.

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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