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SEALMASTER SF-20R General Purpose Flange-Mount Ball Bearing - General Purpose Flange-Mount Ball Bearings
SEALMASTERGeneral Purpose Flange-Mount Ball Bearings

SEALMASTER SF-20R General Purpose Flange-Mount Ball Bearing

The SEALMASTER 4 Bolt Flange Bearing: Radial Ball (SKU SF-20R, 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

Also listed as: SF20R · SF 20R

Brand
SEALMASTER
Item
SF-20R General Purpose Flange-Mount Ball Bearing
Part Number
SF-20R
Category
General Purpose Flange-Mount Ball Bearings
Available to Order
Also known as:SF-20RSEALMASTER
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

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

Technical Documents

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

Product Description

The SEALMASTER 4 Bolt Flange Bearing: Radial Ball (SKU SF-20R, 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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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
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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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Compatible alternatives & equivalents

Cross-referenced by specification & description
SEALMASTER Pillow Block Bearing: 4 in Bore, Cast Iron, Set Screws, 5 in Shaft Ht, 17 in Overall Lg (MPN MP-64)
SEALMASTER
SEALMASTER Pillow Block Bearing: 4 in Bore, Cast Iron, Set Screws, 5 in Shaft Ht, 17 in Overall Lg (MPN MP-64)
This lubricated general purpose metallic sleeve bearing is made from SAE 841 bronze. It has a 20 mm bore, 26 mm outer diameter, and 20 mm length, with a maximum PV rating of 49,938 lb/sq in-fpm. Suitable for low-speed, high-load rotary or oscillating motion in industrial machinery and conveyors. Sold in a pack of 5
OILITE
This lubricated general purpose metallic sleeve bearing is made from SAE 841 bronze. It has a 20 mm bore, 26 mm outer diameter, and 20 mm length, with a maximum PV rating of 49,938 lb/sq in-fpm. Suitable for low-speed, high-load rotary or oscillating motion in industrial machinery and conveyors. Sold in a pack of 5
This lubricated general purpose metallic sleeve bearing is made from SAE 841 oil-impregnated bronze. It has a 4 mm bore, 8 mm outer diameter, and 4 mm length, with a maximum PV rating of 49,938 lb/sq in-fpm. Suitable for light to moderate loads in rotating or oscillating applications, such as in automotive, appliance, and industrial machinery
OILITE
This lubricated general purpose metallic sleeve bearing is made from SAE 841 oil-impregnated bronze. It has a 4 mm bore, 8 mm outer diameter, and 4 mm length, with a maximum PV rating of 49,938 lb/sq in-fpm. Suitable for light to moderate loads in rotating or oscillating applications, such as in automotive, appliance, and industrial machinery
This OILITE sleeve bearing is made from SAE 841 bronze, a self-lubricating material that reduces friction and wear in rotating shaft applications. With a 22 mm bore, 28 mm OD, and 30 mm length, it is suitable for general purpose industrial machinery, power transmission, and material handling systems. The bearing has a maximum PV rating of 49,938 lb/sq in-fpm and is supplied in a pack of 5
OILITE
This OILITE sleeve bearing is made from SAE 841 bronze, a self-lubricating material that reduces friction and wear in rotating shaft applications. With a 22 mm bore, 28 mm OD, and 30 mm length, it is suitable for general purpose industrial machinery, power transmission, and material handling systems. The bearing has a maximum PV rating of 49,938 lb/sq in-fpm and is supplied in a pack of 5

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This 4-bolt flange-mount ball bearing features a 1 1/8 in cylindrical bore and a cast iron housing with set-screw shaft locking. It is lubricated with NLGI #2 Equivalent grease and has a 4 1/4 in length with 7/16 in mounting bolts. Suitable for supporting rotating shafts in conveyors, fans, pumps, and other industrial machinery
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This SEALMASTER MSFT-23 is a 2-bolt flange-mount ball bearing with a 1 7/16 in cylindrical bore and 2 in width. The cast iron housing features a concentric collar for secure shaft mounting. It is pre-lubricated with NLGI #2 equivalent grease and uses 7/16 in mounting bolts. Typical applications include supporting rotating shafts in industrial machinery, conveyors, and material handling equipment
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This 4-bolt flange bearing has a 1 7/16 in cylindrical bore and a cast iron housing with set screws for shaft locking. It is lubricated with NLGI #2 Equivalent grease and requires a 1/2 in mounting bolt. Typical applications include conveyors, fans, and material handling equipment where radial loads and moderate speeds are encountered
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This 4-bolt flange bearing has a 1 7/16 in cylindrical bore and a cast iron housing with set screws for shaft locking. It is lubricated with NLGI #2 Equivalent grease and requires a 1/2 in mounting bolt. Typical applications include conveyors, fans, and material handling equipment where radial loads and moderate speeds are encountered
This SEALMASTER MSF-55 is a 4-bolt flange-mount ball bearing with a 3 7/16 in cylindrical bore and cast iron housing. It uses set screw locking and is lubricated with NLGI #2 equivalent grease. The overall length is 8 7/16 in, and mounting bolt size is 11/16 in. Suitable for general industrial applications such as conveyors, fans, and material handling systems
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Cast iron 4-bolt flange bearing with 7/8 in cylindrical bore and set screw shaft locking. Lubricated with NLGI #2 equivalent grease. Used in conveyors, fans, and material handling systems to support rotating shafts and accommodate misalignment
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Cast iron 4-bolt flange bearing with 7/8 in cylindrical bore and set screw shaft locking. Lubricated with NLGI #2 equivalent grease. Used in conveyors, fans, and material handling systems to support rotating shafts and accommodate misalignment

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