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

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

The SEALMASTER RFB 108 is a 4-bolt flange-mount tapered roller bearing with a 1 1/2 in cylindrical bore, cast iron housing, and set screw locking. It uses NLGI #2 equivalent lubricant and has a 1/2 in mounting bolt…

SKU 3G-OTH-101971

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

SEALMASTER
Manufacturer Part Number
RFB 108
Type
Cast Iron, Set Screws
Bore
1 1/2 in
Lg
5 3/8 in
Bore Type
Cylindrical
Lubricant Material
NLGI #2 Equivalent
Mounting Bolt Size
1/2 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 RFB 108 is a 4-bolt flange-mount tapered roller bearing with a 1 1/2 in cylindrical bore, cast iron housing, and set screw locking. It uses NLGI #2 equivalent lubricant and has a 1/2 in mounting bolt size in the inch system.

Frequently Asked Questions

What is the SEALMASTER RFB 108 flange bearing used for?

The SEALMASTER RFB 108 is a 4-bolt flange-mount tapered roller bearing used in industrial power transmission systems to support rotating shafts under radial and thrust loads. It is common on conveyors, fans, and material handling equipment where a compact, rigid mounting is required.

What are the specifications of the SEALMASTER RFB 108?

The SEALMASTER RFB 108 has a 1 1/2 in cylindrical bore, cast iron housing with set screw locking, and uses NLGI #2 equivalent lubricant. It requires a 1/2 in mounting bolt and has a length of 5 3/8 in. It is an inch-system tapered roller bearing.

Where to buy the SEALMASTER RFB 108 worldwide?

3G Electric supplies the SEALMASTER RFB 108 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 flange-mount bearing.

How to install a SEALMASTER 4-bolt flange bearing?

Mount the bearing on a clean shaft, align the flange bolt holes to the support structure, and tighten the 1/2 in mounting bolts evenly. Secure the shaft with the set screws. Lubricate per NLGI #2 equivalent grease recommendations. Always follow the manufacturer's installation manual.

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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SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 4 15/16 in Bore, Cast Iron, Set Screws, Circular (MPN RFP 415). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/8 in; System of Measurement: Inch.
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