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SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 3/8 in Bore, Cast Iron - Flange-Mount Tapered Roller Bearings
SEALMASTERFlange-Mount Tapered Roller Bearings

SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 3/8 in Bore, Cast Iron

The SEALMASTER 4 Bolt Flange Bearing is a flange-mount tapered roller bearing with a 1 3/8 in cylindrical bore, cast iron housing, and set screw locking. It features a mounting bolt size of 1/2 in, uses NLGI #2…

SKU 3G-OTH-101670

Also listed as: RFB106 · RFB-106

Brand
SEALMASTER
Item
4 Bolt Flange Bearing: Tapered Roller, 1 3/8 in Bore, Cast Iron
Category
Flange-Mount Tapered Roller Bearings
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SEALMASTER
Manufacturer Part Number
RFB 106
Type
Cast Iron, Set Screws
Bore
1 3/8 in
Lg
4 5/8 in
Bore Type
Cylindrical
Lubricant Material
NLGI #2 Equivalent
Mounting Bolt Size
1/2 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 is a flange-mount tapered roller bearing with a 1 3/8 in cylindrical bore, cast iron housing, and set screw locking. It features a mounting bolt size of 1/2 in, uses NLGI #2 Equivalent lubricant, and is manufactured under part number RFB 106.

Frequently Asked Questions

What is a SEALMASTER 4 Bolt Flange Bearing used for?

The SEALMASTER RFB 106 is a flange-mount tapered roller bearing used in industrial power transmission systems to support rotating shafts under heavy radial and thrust loads. Common applications include conveyors, material handling equipment, and agricultural machinery where reliable shaft alignment and load capacity are required.

What are the specifications of the SEALMASTER RFB 106 bearing?

The SEALMASTER RFB 106 has a 1 3/8 in cylindrical bore, cast iron housing with set screw locking, and a 4 5/8 in overall length. It uses NLGI #2 Equivalent lubricant, requires a 1/2 in mounting bolt, and is an inch-system tapered roller flange bearing.

Where to buy SEALMASTER RFB 106 worldwide?

3G Electric supplies the SEALMASTER RFB 106 4 Bolt Flange Bearing to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this SEALMASTER part.

How to install a SEALMASTER flange bearing with set screws?

To install the SEALMASTER RFB 106, first clean the shaft and housing bore. Slide the bearing onto the shaft, align the flange bolt holes, and tighten the 1/2 in mounting bolts evenly. Then tighten the set screws against the shaft using a hex key, following the manufacturer's torque specifications for secure locking.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 3/4 in Bore, Cast Iron, Set Screws, 5 5/8 in Lg (MPN RFB 112)
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SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 3/8 in Bore, Cast Iron, Set Screws, 5 1/4 in Lg (MPN RFP 106)
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SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 3/8 in Bore, Cast Iron, Set Screws, 5 1/4 in Lg (MPN RFP 106)
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 1/4 in Bore, Cast Iron, Set Screws, 5 in Lg (MPN RFP 104)
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SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 1/4 in Bore, Cast Iron, Set Screws, 5 in Lg (MPN RFP 104)
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SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 4 7/16 in Bore, Cast Iron, Set Screws, 3 1/2 in Lg (MPN RFP 407)

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