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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 MSF-20 is a general purpose 4-bolt flange-mount ball bearing with a 1 1/4 in cylindrical bore and a cast iron housing. It features set screws for shaft locking and uses NLGI #2 equivalent lubricant…

SKU 3G-OTH-120629

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
MSF-20
Type
Cast Iron, Set Screws
Bore
1 1/4 in
Lg
4 19/32 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 MSF-20 is a general purpose 4-bolt flange-mount ball bearing with a 1 1/4 in cylindrical bore and a cast iron housing. It features set screws for shaft locking and uses NLGI #2 equivalent lubricant. This inch-system bearing has a mounting bolt size of 7/16 in and a length of 4 19/32 in.

Frequently Asked Questions

What is the SEALMASTER MSF-20 4 bolt flange bearing used for?

The SEALMASTER MSF-20 is a general purpose 4-bolt flange-mount ball bearing used in industrial power transmission systems. It supports rotating shafts in conveyors, fans, and material handling equipment where radial loads and moderate misalignment occur. The cast iron housing and set screw locking suit moderate-duty applications.

What are the specifications of the SEALMASTER MSF-20 flange bearing?

The SEALMASTER MSF-20 has a 1 1/4 in cylindrical bore, cast iron housing, and set screw shaft locking. It uses NLGI #2 equivalent lubricant, has a mounting bolt size of 7/16 in, and a length of 4 19/32 in. This inch-system bearing is designed for general purpose flange-mount applications.

Where to buy the SEALMASTER MSF-20 bearing worldwide?

3G Electric supplies the SEALMASTER MSF-20 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. We source genuine SEALMASTER components for international buyers.

How to install the SEALMASTER MSF-20 flange bearing?

To install the SEALMASTER MSF-20, first clean the shaft and bore. Slide the bearing onto the shaft, align the flange bolt holes with the mounting surface, and tighten the 7/16 in bolts evenly. Tighten the set screws against the shaft using a hex key. Ensure the housing is not distorted and lubricate per NLGI #2 equivalent grease.

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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