We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 1 1/8 in Bore, Steel, Set Screws - Stamped Steel Flange-Mount Ball Bearings
SEALMASTERStamped Steel Flange-Mount Ball Bearings

SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 1 1/8 in Bore, Steel, Set Screws

The SEALMASTER SRF-18 is a 2 Bolt Flange Bearing, a stamped steel flange-mount radial ball bearing with a 1 1/8 in cylindrical bore. It features set screws, a mounting bolt size of 7/16 in, and is lubricated with…

SKU 3G-OTH-99184

Brand
SEALMASTER
Item
2 Bolt Flange Bearing: Radial Ball, 1 1/8 in Bore, Steel, Set Screws
Category
Stamped Steel 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
SRF-18
Type
Steel, Set Screws
Bore
1 1/8 in
Lg
5 3/8 in
Bore Type
Cylindrical
Lubricant Material
NLGI #2 Equivalent
Mounting Bolt Size
7/16 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 SRF-18 is a 2 Bolt Flange Bearing, a stamped steel flange-mount radial ball bearing with a 1 1/8 in cylindrical bore. It features set screws, a mounting bolt size of 7/16 in, and is lubricated with NLGI #2 Equivalent grease. This inch-system unit has an overall length of 5 3/8 in.

Frequently Asked Questions

What is the SEALMASTER SRF-18 2 Bolt Flange Bearing used for?

The SEALMASTER SRF-18 is a stamped steel flange-mount radial ball bearing used to support rotating shafts in industrial machinery. It is commonly applied in conveyors, material handling equipment, and agricultural systems where a compact, rigid mounting solution is needed.

What are the specifications of the SEALMASTER SRF-18?

The SEALMASTER SRF-18 has a 1 1/8 in cylindrical bore, a 5 3/8 in overall length, and a 7/16 in mounting bolt size. It uses set screws for shaft retention, is lubricated with NLGI #2 Equivalent grease, and is designed for inch-system applications.

Where to buy the SEALMASTER SRF-18 worldwide?

You can source the SEALMASTER SRF-18 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the bearing reaches your facility reliably.

How to install the SEALMASTER SRF-18 flange bearing?

To install the SEALMASTER SRF-18, first clean the shaft and bore, then slide the bearing onto the shaft. Tighten the set screws evenly against the shaft using a hex key. Finally, bolt the flange to a flat mounting surface using 7/16 in bolts, ensuring alignment to prevent binding.

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 stamped steel 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 2 Bolt Flange Bearing: Radial Ball, 1 1/4 in Bore, Cast Iron, Set Screws, 5 9/16 in Lg (MPN SFT-20R). 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 1/4 in Bore, Cast Iron, Set Screws, 5 9/16 in Lg (MPN SFT-20R). 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 3/8 in Bore, Cast Iron, Set Screws, 6 11/32 in Lg (MPN SFT-22). 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 3/8 in Bore, Cast Iron, Set Screws, 6 11/32 in Lg (MPN SFT-22). 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 13/16 in Bore, Cast Iron, Set Screws, 7 7/16 in Lg (MPN SFT-29). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 9/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 1 13/16 in Bore, Cast Iron, Set Screws, 7 7/16 in Lg (MPN SFT-29). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 9/16 in; System of Measurement: Inch.
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 1 1/8 in Bore, Cast Iron, Set Screws, 5 13/16 in Lg (MPN SFT-18). 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 1/8 in Bore, Cast Iron, Set Screws, 5 13/16 in Lg (MPN SFT-18). 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, 2 1/8 in Bore, Cast Iron, Set Screws, 8 13/16 in Lg (MPN SFT-34). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 9/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 2 1/8 in Bore, Cast Iron, Set Screws, 8 13/16 in Lg (MPN SFT-34). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 9/16 in; System of Measurement: Inch.
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 2 in Bore, Cast Iron, Set Screws, 8 13/16 in Lg (MPN SFT-32). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 9/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 2 Bolt Flange Bearing: Radial Ball, 2 in Bore, Cast Iron, Set Screws, 8 13/16 in Lg (MPN SFT-32). 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 3/16 in Bore, Steel, Set Screws, 5 3/8 in Lg (MPN SRF-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, Steel, Set Screws, 5 3/8 in Lg (MPN SRF-19). 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 in Bore, Steel, Set Screws, 4 1/2 in Lg, Rhombus (MPN SRF-16). 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 in Bore, Steel, Set Screws, 4 1/2 in Lg, Rhombus (MPN SRF-16). 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, 1/2 in Bore, Steel, Set Screws, 4 1/2 in Lg, Rhombus (MPN SRF-8). 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, 1/2 in Bore, Steel, Set Screws, 4 1/2 in Lg, Rhombus (MPN SRF-8). 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, 3/4 in Bore, Steel, Set Screws, 4 1/2 in Lg, Rhombus (MPN SRF-12). 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, 3/4 in Bore, Steel, Set Screws, 4 1/2 in Lg, Rhombus (MPN SRF-12). 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, 5/8 in Bore, Steel, Set Screws, 4 1/2 in Lg, Rhombus (MPN SRF-10). 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, 5/8 in Bore, Steel, Set Screws, 4 1/2 in Lg, Rhombus (MPN SRF-10). 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 1/4 in Bore, Steel, Set Screws, 5 3/8 in Lg (MPN SRF-20R). 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 1/4 in Bore, Steel, Set Screws, 5 3/8 in Lg (MPN SRF-20R). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.