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NTN UCFU-2.1/8M General Purpose Flange-Mount Ball Bearing - General Purpose Flange-Mount Ball Bearings
NTNGeneral Purpose Flange-Mount Ball Bearings

NTN UCFU-2.1/8M General Purpose Flange-Mount Ball Bearing

The NTN 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 2 1/8 in cylindrical bore and a square cast iron housing. It features set screws for shaft locking, uses NLGI #3 equivalent…

SKU 3G-OTH-108795

Also listed as: UCFU218M · UCFU 2 1 8M · UCFU-2-1-8M

Brand
NTN
Item
UCFU-2.1/8M General Purpose Flange-Mount Ball Bearing
Category
General Purpose Flange-Mount Ball Bearings
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

NTN
Manufacturer Part Number
UCFU-2.1/8M
Type
Cast Iron, Set Screws, Square
Bore
2 1/8 in
Lg
6 13/32 in
Bore Type
Cylindrical
Lubricant Material
NLGI #3 Equivalent
Mounting Bolt Size
5/8 in
System of Measurement
Inch

Technical Documents

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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 2 1/8 in cylindrical bore and a square cast iron housing. It features set screws for shaft locking, uses NLGI #3 equivalent lubricant, and has a mounting bolt size of 5/8 in. This inch-system unit is identified by manufacturer part number UCFU-2.1/8M.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the NTN 4 Bolt Flange Bearing used for?

The NTN 4 Bolt Flange Bearing is used in industrial machinery requiring shaft support at right angles to the mounting surface. Common applications include conveyors, material handling equipment, and agricultural machinery where a compact, general purpose flange-mount ball bearing with a 2 1/8 in bore is needed.

What are the specifications of the NTN UCFU-2.1/8M flange bearing?

The NTN UCFU-2.1/8M is a 4 bolt flange bearing with a 2 1/8 in cylindrical bore, cast iron square housing, and set screw shaft locking. It uses NLGI #3 equivalent lubricant, has a 5/8 in mounting bolt size, and is an inch-system unit. The manufacturer part number is UCFU-2.1/8M.

Where to buy NTN flange bearings in worldwide?

3G Electric supplies NTN flange bearings worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the NTN UCFU-2.1/8M or similar models for your application.

How to install the NTN 4 Bolt Flange Bearing?

To install the NTN 4 Bolt Flange Bearing, first align the housing with the mounting surface and secure using 5/8 in bolts. Tighten the set screws onto the shaft to lock it in place. Ensure the shaft is clean and lubricated per NTN guidelines. Always follow manufacturer instructions for proper preload and alignment.

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 4 Bolt Flange Bearing: Radial Ball, 2 3/8 in Bore, Cast Iron, Set Screws, 6 7/8 in Lg, Square (MPN UCFU-2.3/8M)
NTN
NTN 4 Bolt Flange Bearing: Radial Ball, 2 3/8 in Bore, Cast Iron, Set Screws, 6 7/8 in Lg, Square (MPN UCFU-2.3/8M)
Square flange-mount ball bearing with 2 1/4 in cylindrical bore and cast iron housing. Features set screws for shaft locking and NLGI #3 equivalent lubricant. Mounting bolt size 5/8 in, overall length 6 7/8 in. Suitable for supporting rotating shafts in conveyors, fans, and material handling equipment
NTN
Square flange-mount ball bearing with 2 1/4 in cylindrical bore and cast iron housing. Features set screws for shaft locking and NLGI #3 equivalent lubricant. Mounting bolt size 5/8 in, overall length 6 7/8 in. Suitable for supporting rotating shafts in conveyors, fans, and material handling equipment
NTN 4 Bolt Flange Bearing: Radial Ball, 2 in Bore, Cast Iron, Set Screws, 6 13/32 in Lg, Square (MPN UCFU-2M)
NTN
NTN 4 Bolt Flange Bearing: Radial Ball, 2 in Bore, Cast Iron, Set Screws, 6 13/32 in Lg, Square (MPN UCFU-2M)
NTN 4 Bolt Flange Bearing: Radial Ball, 2 3/16 in Bore, Cast Iron, Set Screws, 6 13/32 in Lg, Square (MPN UCFU-2.3/16M)
NTN
NTN 4 Bolt Flange Bearing: Radial Ball, 2 3/16 in Bore, Cast Iron, Set Screws, 6 13/32 in Lg, Square (MPN UCFU-2.3/16M)
NTN 4 Bolt Flange Bearing: Radial Ball, 1 3/8 in Bore, Cast Iron, Set Screws, 4 21/32 in Lg, Square (MPN UCFU-1.3/8M)
NTN
NTN 4 Bolt Flange Bearing: Radial Ball, 1 3/8 in Bore, Cast Iron, Set Screws, 4 21/32 in Lg, Square (MPN UCFU-1.3/8M)
Cast iron flange-mount ball bearing with a 5/8 in cylindrical bore and set screw locking. Lubricated with NLGI #3 equivalent grease. Mounting bolt size is 3/8 in. Overall length 3 in, width 1 19/64 in. Suitable for radial load support in conveyors, fans, and material handling equipment
NTN
Cast iron flange-mount ball bearing with a 5/8 in cylindrical bore and set screw locking. Lubricated with NLGI #3 equivalent grease. Mounting bolt size is 3/8 in. Overall length 3 in, width 1 19/64 in. Suitable for radial load support in conveyors, fans, and material handling equipment

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Cast iron rhombus flange housing with set screw locking for 15/16 in cylindrical bore. Lubricated with NLGI #3 equivalent grease. Mounting bolt size 7/16 in, overall length 5 19/32 in. Suitable for radial load support and shaft alignment in industrial machinery such as conveyors and fans
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