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NTN 4 Bolt Flange Bearing: Radial Ball, 1 15/16 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 15/16 in Bore, Cast Iron, Set Screws

The NTN 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 1 15/16 in cylindrical bore and a cast iron housing. It features set screws for shaft locking and uses NLGI #3 equivalent lubricant…

SKU 3G-OTH-107839

Brand
NTN
Item
4 Bolt Flange Bearing: Radial Ball, 1 15/16 in Bore, Cast Iron, Set Screws
Category
General Purpose Flange-Mount Ball Bearings
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Technical Specifications

NTN
Manufacturer Part Number
UCFU-1.15/16M
Type
Cast Iron, Set Screws, 52100
Bore
1 15/16 in
Lg
5 41/64 in
Bore Type
Cylindrical
Lubricant Material
NLGI #3 Equivalent
Mounting Bolt Size
5/8 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 15/16 in cylindrical bore and a cast iron housing. It features set screws for shaft locking and uses NLGI #3 equivalent lubricant. The bearing has a 5/8 in mounting bolt size and is made of 52100 steel, with the manufacturer part number UCFU-1.15/16M.

Frequently Asked Questions

What is the NTN 4 Bolt Flange Bearing used for?

The NTN 4 Bolt Flange Bearing is used in industrial power transmission systems to support rotating shafts in conveyor lines, fans, and pumps. Its cast iron housing and set-screw locking suit moderate-load applications where precise shaft alignment is needed.

What are the specifications of the NTN UCFU-1.15/16M flange bearing?

This NTN bearing has a 1 15/16 in cylindrical bore, cast iron housing, and set-screw shaft locking. It uses NLGI #3 equivalent grease, has a 5/8 in mounting bolt size, and is made of 52100 steel. The manufacturer part number is UCFU-1.15/16M.

Where to buy the NTN 4 Bolt Flange Bearing worldwide?

3G Electric supplies the NTN 4 Bolt Flange Bearing 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 this NTN UCFU-1.15/16M unit.

How to install the NTN 4 Bolt Flange Bearing?

Mount the bearing on a clean shaft, align the four bolt holes to the support structure, and tighten the 5/8 in bolts evenly. Secure the shaft by tightening the set screws against the shaft. Lubricate per NTN recommendations using 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.

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