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

SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 15/16 in Bore, Cast Iron - General Purpose Flange-Mount Ball Bearings
SEALMASTERGeneral Purpose Flange-Mount Ball Bearings

SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 15/16 in Bore, Cast Iron

The SEALMASTER 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a cylindrical bore of 2 15/16 inches. This inch-system unit features a cast iron housing, set screw locking, and a mounting…

SKU 3G-OTH-120279

Also listed as: SF47 · SF 47

Brand
SEALMASTER
Item
4 Bolt Flange Bearing: Radial Ball, 2 15/16 in Bore, Cast Iron
Category
General Purpose Flange-Mount Ball Bearings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SEALMASTER
Manufacturer Part Number
SF-47
Type
Cast Iron, Set Screws
Bore
2 15/16 in
Lg
7 7/8 in
Bore Type
Cylindrical
Lubricant Material
NLGI #2 Equivalent
Mounting Bolt Size
11/16 in
System of Measurement
Inch

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 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a cylindrical bore of 2 15/16 inches. This inch-system unit features a cast iron housing, set screw locking, and a mounting bolt size of 11/16 inch. It is lubricated with NLGI #2 Equivalent grease and has a manufacturer part number of SF-47.

Frequently Asked Questions

What is the SEALMASTER 4 Bolt Flange Bearing used for?

The SEALMASTER 4 Bolt Flange Bearing supports rotating shafts in industrial machinery, conveyors, and material handling systems. Its cast iron housing and set screw locking provide reliable radial load support in general purpose applications.

What are the specifications of the SEALMASTER SF-47 flange bearing?

The SEALMASTER SF-47 is a 4 bolt flange bearing with a 2 15/16 in cylindrical bore, cast iron housing, set screw locking, and a 7 7/8 in length. It uses NLGI #2 Equivalent grease and has a mounting bolt size of 11/16 in.

Where to buy the SEALMASTER 4 Bolt Flange Bearing worldwide?

3G Electric supplies the SEALMASTER 4 Bolt Flange Bearing worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.

How to install a SEALMASTER flange bearing with set screws?

Align the bearing housing squarely against the mounting surface, tighten bolts to the specified torque, then secure the shaft by tightening the set screws evenly. Lubricate per NLGI #2 Equivalent grease recommendations. Always follow manufacturer guidelines for shaft fit and alignment.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 7/8 in Bore, Cast Iron, Set Screws, 7 3/4 in Lg (MPN SF-46)
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 7/8 in Bore, Cast Iron, Set Screws, 7 3/4 in Lg (MPN SF-46)
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 11/16 in Bore, Cast Iron, Set Screws, 7 19/32 in Lg (MPN SF-43)
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 11/16 in Bore, Cast Iron, Set Screws, 7 19/32 in Lg (MPN SF-43)
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 7/16 in Bore, Cast Iron, Set Screws, 6 7/8 in Lg (MPN SF-39)
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 7/16 in Bore, Cast Iron, Set Screws, 6 7/8 in Lg (MPN SF-39)
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 1/2 in Bore, Cast Iron, Set Screws, 7 3/8 in Lg (MPN SF-40)
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 1/2 in Bore, Cast Iron, Set Screws, 7 3/8 in Lg (MPN SF-40)
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 11/16 in Bore, Cast Iron, Set Screws, 5 13/32 in Lg (MPN SF-27)
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 11/16 in Bore, Cast Iron, Set Screws, 5 13/32 in Lg (MPN SF-27)
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 1/8 in Bore, Cast Iron, Set Screws, 6 1/2 in Lg (MPN SF-34)
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 2 1/8 in Bore, Cast Iron, Set Screws, 6 1/2 in Lg (MPN SF-34)

More from SEALMASTER

View all SEALMASTER parts
Cast iron 2-bolt flange-mount ball bearing with 1 7/16 in cylindrical bore and set screw locking. Lubricated with NLGI #2 equivalent grease. Used to support rotating shafts in conveyors, fans, and material handling equipment where radial loads and moderate speeds are present
SEALMASTER
Cast iron 2-bolt flange-mount ball bearing with 1 7/16 in cylindrical bore and set screw locking. Lubricated with NLGI #2 equivalent grease. Used to support rotating shafts in conveyors, fans, and material handling equipment where radial loads and moderate speeds are present
Two-bolt flange-mount ball bearing with a 11/16 in cylindrical bore and cast iron housing. Secured by set screws, lubricated with NLGI #2 equivalent grease, and designed for 3/8 in mounting bolts. Suitable for supporting rotating shafts in conveyors, fans, and material handling systems
SEALMASTER
Two-bolt flange-mount ball bearing with a 11/16 in cylindrical bore and cast iron housing. Secured by set screws, lubricated with NLGI #2 equivalent grease, and designed for 3/8 in mounting bolts. Suitable for supporting rotating shafts in conveyors, fans, and material handling systems
This SEALMASTER SFT-27 is a general purpose 2-bolt flange-mount ball bearing with a 1 11/16 in cylindrical bore. It features a cast iron housing, set screw locking, and a 1/2 in mounting bolt size. Lubricated with NLGI #2 equivalent grease, it is suited for supporting rotating shafts in applications such as conveyors and material handling equipment
SEALMASTER
This SEALMASTER SFT-27 is a general purpose 2-bolt flange-mount ball bearing with a 1 11/16 in cylindrical bore. It features a cast iron housing, set screw locking, and a 1/2 in mounting bolt size. Lubricated with NLGI #2 equivalent grease, it is suited for supporting rotating shafts in applications such as conveyors and material handling equipment
Two-bolt flange-mount ball bearing with a 1 3/16 in cylindrical bore and cast iron housing. Features set screw locking for shaft retention and is lubricated with NLGI #2 equivalent grease. Designed for moderate-load applications such as conveyors, fans, and material handling equipment. Mounting bolt size is 3/8 in; overall length 5 13/16 in
SEALMASTER
Two-bolt flange-mount ball bearing with a 1 3/16 in cylindrical bore and cast iron housing. Features set screw locking for shaft retention and is lubricated with NLGI #2 equivalent grease. Designed for moderate-load applications such as conveyors, fans, and material handling equipment. Mounting bolt size is 3/8 in; overall length 5 13/16 in
This flange-mount ball bearing features a cast iron housing with a 1/2 in cylindrical bore and set screw locking. It is lubricated with NLGI #2 Equivalent grease and accepts a 3/8 in mounting bolt. Suitable for supporting rotating shafts in conveyors, fans, and material handling systems
SEALMASTER
This flange-mount ball bearing features a cast iron housing with a 1/2 in cylindrical bore and set screw locking. It is lubricated with NLGI #2 Equivalent grease and accepts a 3/8 in mounting bolt. Suitable for supporting rotating shafts in conveyors, fans, and material handling systems
Cast iron 4-bolt flange bearing with a 2 1/4 in cylindrical bore and set screw shaft locking. Lubricated with NLGI #2 equivalent grease. Used to support rotating shafts in conveyors, fans, and material handling systems
SEALMASTER
Cast iron 4-bolt flange bearing with a 2 1/4 in cylindrical bore and set screw shaft locking. Lubricated with NLGI #2 equivalent grease. Used to support rotating shafts in conveyors, fans, and material handling systems
Two-bolt flange-mount ball bearing with a 1-1/4 in cylindrical bore, cast iron housing, and set screw locking. Lubricated with NLGI #2 equivalent grease. Designed for industrial equipment requiring a compact flanged mounting configuration to support radial loads in conveyors, fans, and material handling systems
SEALMASTER
Two-bolt flange-mount ball bearing with a 1-1/4 in cylindrical bore, cast iron housing, and set screw locking. Lubricated with NLGI #2 equivalent grease. Designed for industrial equipment requiring a compact flanged mounting configuration to support radial loads in conveyors, fans, and material handling systems
This SEALMASTER flange-mount ball bearing features a 1 1/4 in cylindrical bore and a cast iron housing with set screw shaft locking. It is lubricated with NLGI #2 Equivalent grease and has a 7/16 in mounting bolt size. Designed for general purpose applications such as conveyors, fans, and material handling systems, it provides a compact, rigid mounting solution for rotating shafts
SEALMASTER
This SEALMASTER flange-mount ball bearing features a 1 1/4 in cylindrical bore and a cast iron housing with set screw shaft locking. It is lubricated with NLGI #2 Equivalent grease and has a 7/16 in mounting bolt size. Designed for general purpose applications such as conveyors, fans, and material handling systems, it provides a compact, rigid mounting solution for rotating shafts