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SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 7/8 in Bore, Cast Iron - General Purpose Flange-Mount Ball Bearings
SEALMASTERGeneral Purpose Flange-Mount Ball Bearings

SEALMASTER 4 Bolt Flange Bearing: Radial Ball, 1 7/8 in Bore, Cast Iron

The SEALMASTER 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 1 7/8 in cylindrical bore and a cast iron housing. It features set screws for shaft locking and uses NLGI #2 Equivalent…

SKU 3G-OTH-112957

Brand
SEALMASTER
Item
4 Bolt Flange Bearing: Radial Ball, 1 7/8 in Bore, Cast Iron
Category
General Purpose Flange-Mount Ball Bearings
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Technical Specifications

SEALMASTER
Manufacturer Part Number
SF-30
Type
Cast Iron, Set Screws
Bore
1 7/8 in
Lg
5 5/8 in
Bore Type
Cylindrical
Lubricant Material
NLGI #2 Equivalent
Mounting Bolt Size
9/16 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 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 1 7/8 in cylindrical bore and a cast iron housing. It features set screws for shaft locking and uses NLGI #2 Equivalent lubricant. The mounting bolt size is 9/16 in, and the overall length is 5 5/8 in. This inch-system bearing is identified by manufacturer part number SF-30.

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 conveyor systems, material handling equipment, and agricultural machinery. It supports rotating shafts in applications requiring radial load capacity and secure mounting via four bolts.

What are the specifications of the SEALMASTER SF-30 bearing?

The SEALMASTER SF-30 is a 4 bolt flange bearing with a 1 7/8 in cylindrical bore, cast iron housing, and set screw shaft locking. It uses NLGI #2 Equivalent lubricant, has a 9/16 in mounting bolt size, and a 5 5/8 in overall length. The system of measurement is inch.

Where to buy the SEALMASTER SF-30 bearing worldwide?

3G Electric supplies the SEALMASTER SF-30 bearing worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this inch-system flange bearing.

How to install a SEALMASTER 4 Bolt Flange Bearing?

To install the SEALMASTER 4 Bolt Flange Bearing, first clean the shaft and housing bore. Slide the bearing onto the shaft, align the flange bolt holes with the mounting surface, and tighten the 9/16 in bolts evenly. Secure the shaft by tightening the set screws against the shaft. Lubricate per NLGI #2 Equivalent specifications.

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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