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SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 3/4 in Bore, Cast Iron - General Purpose Flange-Mount Ball Bearings
SEALMASTERGeneral Purpose Flange-Mount Ball Bearings

SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 3/4 in Bore, Cast Iron

The SEALMASTER 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 1 3/4 in cylindrical bore, cast iron housing, and set screw locking. It features a 9/16 in mounting bolt size, NLGI #2…

SKU 3G-OTH-111126

Brand
SEALMASTER
Item
4 Bolt Flange Bearing: Radial Ball, 1 3/4 in Bore, Cast Iron
Category
General Purpose Flange-Mount Ball Bearings
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Technical Specifications

SEALMASTER
Manufacturer Part Number
SF-28
Type
Cast Iron, Set Screws
Bore
1 3/4 in
Lg
5 13/32 in
Bore Type
Cylindrical
Lubricant Material
NLGI #2 Equivalent
Mounting Bolt Size
9/16 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 is a general purpose flange-mount ball bearing with a 1 3/4 in cylindrical bore, cast iron housing, and set screw locking. It features a 9/16 in mounting bolt size, NLGI #2 equivalent lubricant, and a 5 13/32 in length (MPN SF-28). This inch-system radial ball bearing is designed for industrial equipment requiring a compact, four-bolt flange mounting configuration.

Frequently Asked Questions

What is the SEALMASTER 4 Bolt Flange Bearing used for?

The SEALMASTER 4 Bolt Flange Bearing is used in industrial equipment requiring a compact, four-bolt flange mounting configuration. It supports radial loads on rotating shafts with a 1 3/4 in bore, making it suitable for conveyors, fans, and material handling systems.

What are the specifications of the SEALMASTER SF-28 flange bearing?

The SEALMASTER SF-28 is a 4 bolt flange bearing with a 1 3/4 in cylindrical bore, cast iron housing, and set screw locking. It uses NLGI #2 equivalent lubricant, has a 9/16 in mounting bolt size, and a 5 13/32 in length. It is an inch-system radial ball bearing.

Where to buy SEALMASTER flange bearings worldwide?

3G Electric supplies SEALMASTER flange bearings 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 the SF-28 or other SEALMASTER models.

How to install a SEALMASTER 4 bolt flange bearing?

To install a SEALMASTER 4 bolt flange bearing, first ensure the shaft is clean and the bore is aligned. Tighten the set screws evenly to lock the bearing onto the shaft. Use 9/16 in bolts to mount the flange to a flat surface, torquing to manufacturer recommendations.

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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