Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 3 in Bore, Cast Iron, Set Screws - General Purpose Flange-Mount Ball Bearings
SEALMASTERGeneral Purpose Flange-Mount Ball Bearings

SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 3 in Bore, Cast Iron, Set Screws

The SEALMASTER MSF-48 is a general purpose 4-bolt flange-mount ball bearing with a 3-inch cylindrical bore, designed for inch-system applications. This radial ball bearing unit features a cast iron housing, set screw…

SKU 3G-OTH-104516

Brand
SEALMASTER
Item
4 Bolt Flange Bearing: Radial Ball, 3 in Bore, Cast Iron, Set Screws
Category
General Purpose Flange-Mount Ball Bearings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SEALMASTER
Manufacturer Part Number
MSF-48
Type
Cast Iron, Set Screws, Square
Bore
3 in
Lg
7 3/4 in
Bore Type
Cylindrical
Lubricant Material
NLGI #2 Equivalent
Mounting Bolt Size
11/16 in
System of Measurement
Inch
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SEALMASTER MSF-48 is a general purpose 4-bolt flange-mount ball bearing with a 3-inch cylindrical bore, designed for inch-system applications. This radial ball bearing unit features a cast iron housing, set screw locking, and a square flange configuration with a 7 3/4-inch length. It is lubricated with NLGI #2 equivalent grease and requires an 11/16-inch mounting bolt size.

Frequently Asked Questions

What is the SEALMASTER MSF-48 4 bolt flange bearing used for?

The SEALMASTER MSF-48 is a general purpose 4-bolt flange-mount ball bearing used to support rotating shafts in industrial equipment. It is suitable for applications requiring inch-system measurements, such as conveyors, fans, and material handling systems, where a cast iron housing and set screw locking are needed.

What are the specifications of the SEALMASTER MSF-48 flange bearing?

The SEALMASTER MSF-48 has a 3-inch cylindrical bore, cast iron housing, set screw locking, and a square flange configuration. It is 7 3/4 inches long, uses NLGI #2 equivalent grease, and requires an 11/16-inch mounting bolt. It is an inch-system radial ball bearing unit.

Where to buy the SEALMASTER MSF-48 flange bearing worldwide?

You can source the SEALMASTER MSF-48 flange bearing through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this SEALMASTER part.

How to install the SEALMASTER MSF-48 4 bolt flange bearing?

To install the SEALMASTER MSF-48, first ensure the shaft is clean and the bore is aligned. Tighten the set screws evenly to lock the bearing onto the shaft. Mount the flange to a flat surface using 11/16-inch bolts, and apply torque per manufacturer guidelines. Lubricate with NLGI #2 grease as needed.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 3/4 in Bore, Cast Iron, Set Screws, 7 3/4 in Lg (MPN MSF-44). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 11/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 3/4 in Bore, Cast Iron, Set Screws, 7 3/4 in Lg (MPN MSF-44). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 11/16 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 15/16 in Bore, Cast Iron, Set Screws, 7 3/4 in Lg (MPN MSF-47). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 11/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 15/16 in Bore, Cast Iron, Set Screws, 7 3/4 in Lg (MPN MSF-47). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 11/16 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 3 1/4 in Bore, Cast Iron, Set Screws, 8 7/16 in Lg (MPN MSF-52). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/4 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 3 1/4 in Bore, Cast Iron, Set Screws, 8 7/16 in Lg (MPN MSF-52). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/4 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 11/16 in Bore, Cast Iron, Set Screws, 7 3/4 in Lg (MPN MSF-43). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 11/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 11/16 in Bore, Cast Iron, Set Screws, 7 3/4 in Lg (MPN MSF-43). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 11/16 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 3 1/2 in Bore, Cast Iron, Set Screws, 8 7/16 in Lg (MPN MSF-56). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 11/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 3 1/2 in Bore, Cast Iron, Set Screws, 8 7/16 in Lg (MPN MSF-56). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 11/16 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 1/2 in Bore, Cast Iron, Set Screws, 7 3/8 in Lg (MPN MSF-40). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 9/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 1/2 in Bore, Cast Iron, Set Screws, 7 3/8 in Lg (MPN MSF-40). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 9/16 in; System of Measurement: Inch.

More from SEALMASTER

View all SEALMASTER parts →
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 1 9/16 in Bore, Cast Iron, Set Screws, 6 7/8 in Lg (MPN SFT-25). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 1 9/16 in Bore, Cast Iron, Set Screws, 6 7/8 in Lg (MPN SFT-25). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 1 5/16 in Bore, Cast Iron, Set Screws, 6 11/32 in Lg (MPN SFT-21). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 1 5/16 in Bore, Cast Iron, Set Screws, 6 11/32 in Lg (MPN SFT-21). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 9/16 in Bore, Cast Iron, Set Screws, 5 1/8 in Lg (MPN SF-25). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 9/16 in Bore, Cast Iron, Set Screws, 5 1/8 in Lg (MPN SF-25). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 3/16 in Bore, Cast Iron, Set Screws, 6 1/2 in Lg (MPN SF-35). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 3/16 in Bore, Cast Iron, Set Screws, 6 1/2 in Lg (MPN SF-35). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 1 in Bore, Cast Iron, Set Screws, 5 1/8 in Lg (MPN SFT-16). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/8 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 1 in Bore, Cast Iron, Set Screws, 5 1/8 in Lg (MPN SFT-16). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/8 in; System of Measurement: Inch.
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 1 3/16 in Bore, Cast Iron, Set Screws, 6 11/32 in Lg (MPN MSFT-19). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 1 3/16 in Bore, Cast Iron, Set Screws, 6 11/32 in Lg (MPN MSFT-19). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 3/16 in Bore, Cast Iron, Set Screws, 4 1/4 in Lg (MPN SF-19). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 3/16 in Bore, Cast Iron, Set Screws, 4 1/4 in Lg (MPN SF-19). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 1/8 in Bore, Cast Iron, Set Screws, 4 1/4 in Lg (MPN SF-18). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 1/8 in Bore, Cast Iron, Set Screws, 4 1/4 in Lg (MPN SF-18). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.