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SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 1/4 in Bore, Cast Iron - General Purpose Flange-Mount Ball Bearings
SEALMASTERGeneral Purpose Flange-Mount Ball Bearings

SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 1/4 in Bore, Cast Iron

The SEALMASTER 4 Bolt Flange Bearing: Radial Ball (SKU 44A523, MPN SF-20R) 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…

SKU 3G-OTH-107509

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

SEALMASTER
Manufacturer Part Number
SF-20R
Type
Cast Iron, Set Screws
Bore
1 1/4 in
Lg
4 1/4 in
Bore Type
Cylindrical
Lubricant Material
NLGI #2 Equivalent
Mounting Bolt Size
7/16 in
System of Measurement
Inch
View Full Spec Sheet

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

Product Description

The SEALMASTER 4 Bolt Flange Bearing: Radial Ball (SKU 44A523, MPN SF-20R) 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 #2 Equivalent lubricant, and has a 7/16 in mounting bolt size in the inch system of measurement.

Frequently Asked Questions

What is the SEALMASTER 4 Bolt Flange Bearing used for?

The SEALMASTER 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing used in industrial equipment such as conveyors, fans, and material handling systems. It supports rotating shafts and accommodates misalignment in applications requiring a compact, rigid mounting solution.

What are the specifications of the SEALMASTER SF-20R flange bearing?

The SEALMASTER SF-20R is a 4 bolt flange bearing with a 1 1/4 in cylindrical bore, cast iron housing, and set screw shaft locking. It uses NLGI #2 Equivalent lubricant, has a 7/16 in mounting bolt size, and follows the inch system of measurement.

Where to buy SEALMASTER SF-20R flange bearings worldwide?

3G Electric supplies the SEALMASTER SF-20R flange bearing worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install a SEALMASTER 4 bolt flange bearing?

To install the SEALMASTER flange bearing, first ensure the shaft is clean and free of burrs. Slide the bearing onto the shaft, align the flange bolt holes with the mounting surface, and tighten the 7/16 in bolts evenly. Secure the shaft by tightening the set screws against the shaft.

Used in

Common applications for SEALMASTER
Conveyor systems — SEALMASTER NP series pillow block bearings for belt conveyor idler shafts
Material handling fans — SEALMASTER SFT series flange bearings for fan housing mounting
Pump drives — SEALMASTER MP series medium-duty pillow blocks for pump shaft support
Agricultural equipment — SEALMASTER ER series insert bearings in auger and elevator assemblies
Packaging machinery — SEALMASTER NPL low-base pillow blocks for compact conveyor sections
Industrial blowers — SEALMASTER SFT-23 flange bearing for blower shaft end support

SEALMASTER Products

3G Electric supplies SEALMASTER 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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