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SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 3 1/2 in Bore, Cast Iron - Flange-Mount Tapered Roller Bearings
SEALMASTERFlange-Mount Tapered Roller Bearings

SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 3 1/2 in Bore, Cast Iron

The SEALMASTER 4 Bolt Flange Bearing is a flange-mount tapered roller bearing with a 3 1/2 in cylindrical bore, designed for inch-system applications. It features a cast iron housing, set screw locking, and a 10 1/4…

SKU 3G-OTH-100213

Brand
SEALMASTER
Item
4 Bolt Flange Bearing: Tapered Roller, 3 1/2 in Bore, Cast Iron
Category
Flange-Mount Tapered Roller Bearings
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Technical Specifications

SEALMASTER
Manufacturer Part Number
RFP 308
Type
Cast Iron, Set Screws
Bore
3 1/2 in
Lg
10 1/4 in
Bore Type
Cylindrical
Lubricant Material
NLGI #2 Equivalent
Mounting Bolt Size
3/8 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 flange-mount tapered roller bearing with a 3 1/2 in cylindrical bore, designed for inch-system applications. It features a cast iron housing, set screw locking, and a 10 1/4 in length, with a mounting bolt size of 3/8 in. The bearing is lubricated with NLGI #2 Equivalent grease (manufacturer part number RFP 308).

Frequently Asked Questions

What is a SEALMASTER 4 Bolt Flange Bearing used for?

The SEALMASTER 4 Bolt Flange Bearing supports rotating shafts in industrial machinery, conveying systems, and material handling equipment. Its tapered roller design handles combined radial and thrust loads, while the cast iron housing and set screw locking provide secure mounting in inch-system applications.

What are the specifications of the SEALMASTER RFP 308 bearing?

The SEALMASTER RFP 308 is a 4 bolt flange bearing with a 3 1/2 in cylindrical bore, cast iron housing, set screw locking, and a 10 1/4 in length. It uses NLGI #2 Equivalent grease, has a 3/8 in mounting bolt size, and is designed for inch-system applications.

Where to buy SEALMASTER RFP 308 worldwide?

3G Electric supplies the SEALMASTER RFP 308 4 Bolt Flange Bearing to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this tapered roller bearing.

How to install a SEALMASTER flange bearing with set screws?

To install a SEALMASTER flange bearing, first ensure the shaft is clean and free of burrs. Slide the bearing onto the shaft, align the flange bolt holes, and tighten the mounting bolts to the recommended torque. Then, tighten the set screws evenly against the shaft to secure the inner race.

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 flange-mount tapered roller bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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