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NTN 4 Bolt Flange Bearing: Radial Ball, 20 mm Bore, Cast Iron, Set Screws - General Purpose Flange-Mount Ball Bearings
NTNGeneral Purpose Flange-Mount Ball Bearings

NTN 4 Bolt Flange Bearing: Radial Ball, 20 mm Bore, Cast Iron, Set Screws

The NTN 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 20 mm cylindrical bore, cast iron housing, and set screw locking. It features an NLGI #3 equivalent lubricant, M10 mounting bolt…

SKU 3G-OTH-121528

Also listed as: UCFU20 · UCFU 20

Brand
NTN
Item
4 Bolt Flange Bearing: Radial Ball, 20 mm Bore, Cast Iron, Set Screws
Category
General Purpose Flange-Mount Ball Bearings
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

NTN
Manufacturer Part Number
UCFU-20
Type
Cast Iron, Set Screws
Bore
20 mm
Lg
85.7 mm
Wd
37.3 mm
Bore Type
Cylindrical
Lubricant Material
NLGI #3 Equivalent
Mounting Bolt Size
M10
System of Measurement
Metric

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 20 mm cylindrical bore, cast iron housing, and set screw locking. It features an NLGI #3 equivalent lubricant, M10 mounting bolt size, and dimensions of 85.7 mm length by 37.3 mm width (MPN UCFU-20). This metric unit is designed for radial load applications requiring a compact, four-bolt flange mounting configuration.

Frequently Asked Questions

What is the NTN 4 Bolt Flange Bearing used for?

The NTN 4 Bolt Flange Bearing is a general purpose radial ball bearing for compact, four-bolt flange mounting. It supports radial loads in conveyors, fans, and material handling equipment. 3G Electric supplies this NTN unit worldwide for industrial maintenance and OEM applications.

What are the specifications of the NTN UCFU-20 flange bearing?

The NTN UCFU-20 has a 20 mm cylindrical bore, cast iron housing with set screw locking, and NLGI #3 equivalent lubricant. Dimensions are 85.7 mm length by 37.3 mm width. Mounting bolt size is M10. This metric unit is designed for radial load applications.

Where to buy the NTN UCFU-20 flange bearing worldwide?

3G Electric supplies the NTN UCFU-20 flange bearing worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this bearing to your facility. Contact us for availability and lead time on this NTN metric unit.

How to install the NTN 4 Bolt Flange Bearing?

Mount the NTN flange bearing on a flat surface using M10 bolts through the four holes. Tighten set screws onto the shaft to lock the bearing. Ensure the shaft is aligned and lubricated per NTN guidelines. 3G Electric can provide sourcing support for this cast iron unit.

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, 25 mm Bore, Cast Iron, Set Screws, 96 mm Lg, 38.9 mm Wd (MPN UCFU-25)
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NTN 4 Bolt Flange Bearing: Radial Ball, 25 mm Bore, Cast Iron, Set Screws, 96 mm Lg, 38.9 mm Wd (MPN UCFU-25)
This NTN flange-mount ball bearing features a 40 mm cylindrical bore, cast iron housing, and set screw locking for secure shaft attachment. It is lubricated with NLGI #3 equivalent grease and mounts with M12 bolts. Overall dimensions are 131 mm length and 54.3 mm width. Typical applications include conveyor systems, material handling equipment, and agricultural machinery
NTN
This NTN flange-mount ball bearing features a 40 mm cylindrical bore, cast iron housing, and set screw locking for secure shaft attachment. It is lubricated with NLGI #3 equivalent grease and mounts with M12 bolts. Overall dimensions are 131 mm length and 54.3 mm width. Typical applications include conveyor systems, material handling equipment, and agricultural machinery
NTN 4 Bolt Flange Bearing: Radial Ball, 35 mm Bore, Cast Iron, Set Screws, 118.3 mm Lg, 46.4 mm Wd (MPN UCFU-35)
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NTN 4 Bolt Flange Bearing: Radial Ball, 35 mm Bore, Cast Iron, Set Screws, 118.3 mm Lg, 46.4 mm Wd (MPN UCFU-35)
NTN 4 Bolt Flange Bearing: Radial Ball, 30 mm Bore, Cast Iron, Set Screws, 108.7 mm Lg, 42.1 mm Wd (MPN UCFU-30)
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NTN 4 Bolt Flange Bearing: Radial Ball, 30 mm Bore, Cast Iron, Set Screws, 108.7 mm Lg, 42.1 mm Wd (MPN UCFU-30)
NTN 2 Bolt Flange Bearing: Radial Ball, 20 mm Bore, Cast Iron, Set Screws, 61 mm Lg, 37.3 mm Wd (MPN UCFLU-20)
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NTN 2 Bolt Flange Bearing: Radial Ball, 20 mm Bore, Cast Iron, Set Screws, 61 mm Lg, 37.3 mm Wd (MPN UCFLU-20)
Cast iron two-bolt flange unit with 25 mm cylindrical bore and set screw locking. Lubricated with NLGI #3 equivalent grease. Designed for radial load support in conveyor, fan, and agricultural machinery applications requiring M10 mounting bolts
NTN
Cast iron two-bolt flange unit with 25 mm cylindrical bore and set screw locking. Lubricated with NLGI #3 equivalent grease. Designed for radial load support in conveyor, fan, and agricultural machinery applications requiring M10 mounting bolts

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This NTN flange-mount ball bearing features a 1 1/8 in cylindrical bore and a cast iron rhombus housing with set screws for shaft locking. It is lubricated with NLGI #3 equivalent grease and has a 7/16 in mounting bolt size. The unit has a length of 5 19/32 in and is designed for inch-system applications. Typical uses include supporting rotating shafts in conveyors, fans, and material handling equipment
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