Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
NTN 2 Bolt Flange Bearing: Radial Ball, 25 mm Bore, Cast Iron, Set Screws - General Purpose Flange-Mount Ball Bearings
NTNGeneral Purpose Flange-Mount Ball Bearings

NTN 2 Bolt Flange Bearing: Radial Ball, 25 mm Bore, Cast Iron, Set Screws

The NTN 2 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 25 mm cylindrical bore, cast iron housing, and set screw locking. It features NLGI #3 equivalent lubricant and an M10 mounting bolt…

SKU 3G-OTH-113224

Brand
NTN
Item
2 Bolt Flange Bearing: Radial Ball, 25 mm Bore, Cast Iron, Set Screws
Category
General Purpose Flange-Mount Ball Bearings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

NTN
Manufacturer Part Number
UCFLU-25
Type
Cast Iron, Set Screws
Bore
25 mm
Lg
70 mm
Wd
38.9 mm
Bore Type
Cylindrical
Lubricant Material
NLGI #3 Equivalent
Mounting Bolt Size
M10
System of Measurement
Metric
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 25 mm cylindrical bore, cast iron housing, and set screw locking. It features NLGI #3 equivalent lubricant and an M10 mounting bolt size, with overall dimensions of 70 mm length and 38.9 mm width (MPN UCFLU-25). This metric unit is designed for radial load applications requiring a compact, two-bolt flange configuration.

Frequently Asked Questions

What is the NTN UCFLU-25 2 bolt flange bearing used for?

The NTN UCFLU-25 is a general purpose flange-mount ball bearing used in industrial equipment requiring radial load support in a compact, two-bolt configuration. Common applications include conveyors, fans, and agricultural machinery where a 25 mm shaft and metric mounting with M10 bolts are specified.

What are the specifications of the NTN UCFLU-25 flange bearing?

The NTN UCFLU-25 has a 25 mm cylindrical bore, cast iron housing with set screw locking, and NLGI #3 equivalent lubricant. Overall dimensions are 70 mm length and 38.9 mm width. Mounting bolt size is M10, and the system of measurement is metric. The manufacturer part number is UCFLU-25.

Where to buy the NTN UCFLU-25 flange bearing worldwide?

3G Electric supplies the NTN UCFLU-25 flange bearing worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this metric unit with M10 mounting bolts to any country.

How to install the NTN UCFLU-25 flange bearing?

To install the NTN UCFLU-25, first ensure the shaft is clean and free of burrs. Slide the bearing onto the shaft, align the two-bolt flange with the mounting surface, and tighten M10 bolts evenly to the recommended torque. Secure the set screws against the shaft using a hex key. Lubrication is pre-applied with NLGI #3 equivalent 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
NTN 2 Bolt Flange Bearing: Radial Ball, 20 mm Bore, Cast Iron, Set Screws, 61 mm Lg, 37.3 mm Wd (MPN UCFLU-20). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: M10; System of Measurement: Metric.
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 20 mm Bore, Cast Iron, Set Screws, 61 mm Lg, 37.3 mm Wd (MPN UCFLU-20). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: M10; System of Measurement: Metric.
NTN 4 Bolt Flange Bearing: Radial Ball, 25 mm Bore, Cast Iron, Set Screws, 96 mm Lg, 38.9 mm Wd (MPN UCFU-25). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: M10; System of Measurement: Metric.
NTN
NTN 4 Bolt Flange Bearing: Radial Ball, 25 mm Bore, Cast Iron, Set Screws, 96 mm Lg, 38.9 mm Wd (MPN UCFU-25). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: M10; System of Measurement: Metric.
NTN 2 Bolt Flange Bearing: Radial Ball, 30 mm Bore, Cast Iron, Set Screws, 83 mm Lg, 42.1 mm Wd (MPN UCFLU-30). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: M10; System of Measurement: Metric.
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 30 mm Bore, Cast Iron, Set Screws, 83 mm Lg, 42.1 mm Wd (MPN UCFLU-30). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: M10; System of Measurement: Metric.
NTN 2 Bolt Flange Bearing: Radial Ball, 35 mm Bore, Cast Iron, Set Screws, 96 mm Lg, 46.4 mm Wd (MPN UCFLU-35). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: M12; System of Measurement: Metric.
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 35 mm Bore, Cast Iron, Set Screws, 96 mm Lg, 46.4 mm Wd (MPN UCFLU-35). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: M12; System of Measurement: Metric.
NTN 4 Bolt Flange Bearing: Radial Ball, 20 mm Bore, Cast Iron, Set Screws, 85.7 mm Lg, 37.3 mm Wd (MPN UCFU-20). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: M10; System of Measurement: Metric.
NTN
NTN 4 Bolt Flange Bearing: Radial Ball, 20 mm Bore, Cast Iron, Set Screws, 85.7 mm Lg, 37.3 mm Wd (MPN UCFU-20). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: M10; System of Measurement: Metric.
NTN 2 Bolt Flange Bearing: Radial Ball, 40 mm Bore, Cast Iron, Set Screws, 172 mm Lg, 54.4 mm Wd (MPN UCFLU-40). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: M12; System of Measurement: Metric.
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 40 mm Bore, Cast Iron, Set Screws, 172 mm Lg, 54.4 mm Wd (MPN UCFLU-40). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: M12; System of Measurement: Metric.

More from NTN

View all NTN parts →
NTN 2 Bolt Flange Bearing: Radial Ball, 1/2 in Bore, Cast Iron, Set Screws, 4 7/16 in Lg, Rhombus (MPN UCFL201-008D1). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 1/2 in Bore, Cast Iron, Set Screws, 4 7/16 in Lg, Rhombus (MPN UCFL201-008D1). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
NTN 4 Bolt Flange Bearing: Radial Ball, 2 15/16 in Bore, Cast Iron, Eccentric Collar, 7 7/8 in Lg (MPN UELFU-2.15/16M). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 3/4 in; System of Measurement: Inch.
NTN
NTN 4 Bolt Flange Bearing: Radial Ball, 2 15/16 in Bore, Cast Iron, Eccentric Collar, 7 7/8 in Lg (MPN UELFU-2.15/16M). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 3/4 in; System of Measurement: Inch.
NTN 2 Bolt Flange Bearing: Radial Ball, 2 in Bore, Cast Iron, Set Screws, 8 17/32 in Lg, Rhombus (MPN UCFLUX-2M). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 2 in Bore, Cast Iron, Set Screws, 8 17/32 in Lg, Rhombus (MPN UCFLUX-2M). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
NTN 4 Bolt Flange Bearing: Radial Ball, 1 5/8 in Bore, Cast Iron, Set Screws, 5 13/32 in Lg, Square (MPN UCFU-1.5/8M). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
NTN
NTN 4 Bolt Flange Bearing: Radial Ball, 1 5/8 in Bore, Cast Iron, Set Screws, 5 13/32 in Lg, Square (MPN UCFU-1.5/8M). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
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). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
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). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
NTN 4 Bolt Flange Bearing: Radial Ball, 3 in Bore, Cast Iron, Set Screws, 7 7/8 in Lg, 3 23/64 in Wd (MPN UCFU-3M). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 3/4 in; System of Measurement: Inch.
NTN
NTN 4 Bolt Flange Bearing: Radial Ball, 3 in Bore, Cast Iron, Set Screws, 7 7/8 in Lg, 3 23/64 in Wd (MPN UCFU-3M). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 3/4 in; System of Measurement: Inch.
NTN 2 Bolt Flange Bearing: Radial Ball, 1 3/16 in Bore, Cast Iron, Set Screws, 5 19/32 in Lg (MPN UCFLU-1.3/16MFG1). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 3/8 in; System of Measurement: Inch.
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 1 3/16 in Bore, Cast Iron, Set Screws, 5 19/32 in Lg (MPN UCFLU-1.3/16MFG1). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 3/8 in; System of Measurement: Inch.
NTN 4 Bolt Flange Bearing: Radial Ball, 1 11/16 in Bore, Cast Iron, Set Screws, 5 13/32 in Lg, 52100 (MPN UCFU-1.11/16M). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
NTN
NTN 4 Bolt Flange Bearing: Radial Ball, 1 11/16 in Bore, Cast Iron, Set Screws, 5 13/32 in Lg, 52100 (MPN UCFU-1.11/16M). Key specifications — Bore Type: Cylindrical; Brand: NTN; Lubricant Material: NLGI #3 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.