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

The NTN 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 1 1/4 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-111538

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

NTN
Manufacturer Part Number
UCF207-104D1
Type
Cast Iron, Set Screws, Square
Bore
1 1/4 in
Lg
4 19/32 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 1/4 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 19/32 in length in a square configuration (MPN UCF207-104D1).

Frequently Asked Questions

What is the NTN 4 Bolt Flange Bearing used for?

The NTN 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing used to support rotating shafts in industrial machinery, conveyors, and material handling equipment. Its cast iron housing and set screw locking provide reliable shaft retention in moderate-load applications.

What are the specifications of the NTN UCF207-104D1 flange bearing?

The NTN UCF207-104D1 has a 1 1/4 in cylindrical bore, cast iron housing, set screw locking, and a 4 19/32 in square length. It uses NLGI #3 equivalent lubricant and requires a 1/2 in mounting bolt. It is an inch-system bearing.

Where to buy NTN flange bearings in worldwide?

3G Electric supplies NTN flange bearings 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 the NTN UCF207-104D1 or other NTN bearing models.

How to install an NTN 4 Bolt Flange Bearing?

To install, mount the bearing on a clean shaft and tighten the set screws evenly to secure it. Bolt the cast iron flange to a flat support surface using 1/2 in bolts. Ensure proper alignment to avoid binding. Lubricate per NTN recommendations for the NLGI #3 grease.

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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