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

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

SKU 3G-OTH-102303

Also listed as: UCFLU114SM · UCFLU 1 1 4SM · UCFLU-1-1-4SM

Brand
NTN
Item
2 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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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NTN
Manufacturer Part Number
UCFLU-1.1/4SM
Type
Cast Iron, Set Screws, Rhombus
Bore
1 1/4 in
Lg
6 5/32 in
Bore Type
Cylindrical
Lubricant Material
NLGI #3 Equivalent
Mounting Bolt Size
7/16 in
System of Measurement
Inch

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

Product Description

The NTN 2 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 1 1/4 in cylindrical bore and a cast iron housing. It features set screws for shaft locking, uses NLGI #3 equivalent lubricant, and has a 7/16 in mounting bolt size. This inch-system unit is identified by manufacturer part number UCFLU-1.1/4SM.

Frequently Asked Questions

What is the NTN 2 Bolt Flange Bearing used for?

The NTN UCFLU-1.1/4SM is a general purpose flange-mount ball bearing used to support rotating shafts in conveyors, fans, and agricultural equipment. Its cast iron housing with set screws locks the shaft securely, while the NLGI #3 lubricant reduces maintenance in moderate-speed, moderate-load applications.

What are the specifications of the NTN UCFLU-1.1/4SM bearing?

This NTN bearing has a 1 1/4 in cylindrical bore, a cast iron rhombus housing, and set screw shaft locking. It uses NLGI #3 equivalent grease, requires a 7/16 in mounting bolt, and measures 6 5/32 in length. The inch-system design is ideal for North American industrial equipment.

Where to buy the NTN 2 Bolt Flange Bearing worldwide?

3G Electric supplies the NTN UCFLU-1.1/4SM flange bearing to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this general purpose bearing.

How to install the NTN flange bearing with set screws?

Align the bearing housing with the mounting holes and secure using 7/16 in bolts. Slide the shaft through the 1 1/4 in bore, then tighten the set screws evenly against the shaft using a hex key. Verify shaft rotation is free and lubricate per NTN guidelines before startup.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
NTN 2 Bolt Flange Bearing: Radial Ball, 1 1/2 in Bore, Cast Iron, Set Screws, 6 25/32 in Lg, Rhombus (MPN UCFLU-1.1/2M)
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 1 1/2 in Bore, Cast Iron, Set Screws, 6 25/32 in Lg, Rhombus (MPN UCFLU-1.1/2M)
NTN 2 Bolt Flange Bearing: Radial Ball, 1 1/8 in Bore, Cast Iron, Set Screws, 5 19/32 in Lg, Rhombus (MPN UCFLU-1.1/8M)
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NTN 2 Bolt Flange Bearing: Radial Ball, 1 1/8 in Bore, Cast Iron, Set Screws, 5 19/32 in Lg, Rhombus (MPN UCFLU-1.1/8M)
NTN 2 Bolt Flange Bearing: Radial Ball, 1 1/4 in Bore, Cast Iron, Set Screws, 6 5/32 in Lg, Rhombus (MPN UCFLU-1.1/4M)
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 1 1/4 in Bore, Cast Iron, Set Screws, 6 5/32 in Lg, Rhombus (MPN UCFLU-1.1/4M)
Cast iron two-bolt flange unit with 1 11/16 in cylindrical bore and set screw locking. Lubricated with NLGI #3 equivalent grease, requiring a 1/2 in mounting bolt. Overall length 7 15/32 in. Suitable for supporting rotating shafts in conveyors, material handling, and agricultural equipment
NTN
Cast iron two-bolt flange unit with 1 11/16 in cylindrical bore and set screw locking. Lubricated with NLGI #3 equivalent grease, requiring a 1/2 in mounting bolt. Overall length 7 15/32 in. Suitable for supporting rotating shafts in conveyors, material handling, and agricultural equipment
NTN 2 Bolt Flange Bearing: Radial Ball, 1 in Bore, Cast Iron, Set Screws, 4 7/16 in Lg, 2 3/4 in Ht (MPN UCFLU-1M)
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 1 in Bore, Cast Iron, Set Screws, 4 7/16 in Lg, 2 3/4 in Ht (MPN UCFLU-1M)
NTN 2 Bolt Flange Bearing: Radial Ball, 1 3/8 in Bore, Cast Iron, Set Screws, 6 5/32 in Lg, Rhombus (MPN UCFLU-1.3/8M)
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 1 3/8 in Bore, Cast Iron, Set Screws, 6 5/32 in Lg, Rhombus (MPN UCFLU-1.3/8M)

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