Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 2 in Bore, Cast Iron - Flange-Mount Tapered Roller Bearings
SEALMASTERFlange-Mount Tapered Roller Bearings

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

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

SKU 3G-OTH-101823

Brand
SEALMASTER
Item
4 Bolt Flange Bearing: Tapered Roller, 2 in Bore, Cast Iron
Category
Flange-Mount Tapered Roller 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
RFB 200
Type
Cast Iron, Set Screws
Bore
2 in
Lg
5 5/8 in
Bore Type
Cylindrical
Lubricant Material
NLGI #2 Equivalent
Mounting Bolt Size
1/2 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 4 Bolt Flange Bearing is a flange-mount tapered roller bearing with a 2 in cylindrical bore, cast iron housing, and set screw locking. It features a 1/2 in mounting bolt size, uses NLGI #2 Equivalent lubricant, and is designed for inch-system applications (MPN RFB 200).

Frequently Asked Questions

What is the SEALMASTER 4 Bolt Flange Bearing used for?

The SEALMASTER 4 Bolt Flange Bearing is used in industrial power transmission systems to support rotating shafts and handle radial and thrust loads. It is commonly applied in conveyors, material handling equipment, and agricultural machinery where a compact, rigid mounting is required.

What are the specifications of the SEALMASTER 4 Bolt Flange Bearing?

This SEALMASTER bearing has a 2 in cylindrical bore, cast iron housing, and set screw locking. It uses NLGI #2 Equivalent lubricant, has a 1/2 in mounting bolt size, and is designed for inch-system applications. The manufacturer part number is RFB 200.

Where to buy the SEALMASTER 4 Bolt Flange Bearing worldwide?

You can source the SEALMASTER 4 Bolt Flange Bearing through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct SEALMASTER part for your application.

How to install the SEALMASTER 4 Bolt Flange Bearing?

To install, 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 1/2 in bolts evenly. Tighten the set screws to secure the shaft. Apply NLGI #2 grease per manufacturer guidelines for optimal performance.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched 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). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 3/4 in Bore, Cast Iron, Set Screws, 5 5/8 in Lg (MPN RFB 112). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 7/16 in Bore, Cast Iron, Set Screws, 4 5/8 in Lg (MPN RFB 107). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 7/16 in Bore, Cast Iron, Set Screws, 4 5/8 in Lg (MPN RFB 107). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 2 7/16 in Bore, Cast Iron, Set Screws, 6 7/8 in Lg (MPN RFB 207). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 2 7/16 in Bore, Cast Iron, Set Screws, 6 7/8 in Lg (MPN RFB 207). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 2 3/16 in Bore, Cast Iron, Set Screws, 6 1/4 in Lg (MPN RFB 203). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 2 3/16 in Bore, Cast Iron, Set Screws, 6 1/4 in Lg (MPN RFB 203). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 2 15/16 in Bore, Cast Iron, Set Screws, Square (MPN RFB 215). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/4 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 2 15/16 in Bore, Cast Iron, Set Screws, Square (MPN RFB 215). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/4 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 3 in Bore, Cast Iron, Set Screws, 7 3/4 in Lg (MPN RFB 300). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/4 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 3 in Bore, Cast Iron, Set Screws, 7 3/4 in Lg (MPN RFB 300). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/4 in; System of Measurement: Inch.

More from SEALMASTER

View all SEALMASTER parts →
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 2 1/2 in Bore, Cast Iron, Set Screws, 7 5/8 in Lg (MPN RFP 208). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 2 1/2 in Bore, Cast Iron, Set Screws, 7 5/8 in Lg (MPN RFP 208). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 1/2 in Bore, Cast Iron, Set Screws, 6 1/8 in Lg (MPN RFP 108). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 1/2 in Bore, Cast Iron, Set Screws, 6 1/8 in Lg (MPN RFP 108). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 7/16 in; System of Measurement: Inch.
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.
SEALMASTER
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.
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 3 15/16 in Bore, Cast Iron, Set Screws, Circular (MPN RFP 315). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/8 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 3 15/16 in Bore, Cast Iron, Set Screws, Circular (MPN RFP 315). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/8 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 3/16 in Bore, Cast Iron, Set Screws, 5 in Lg (MPN RFP 103). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/8 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 3/16 in Bore, Cast Iron, Set Screws, 5 in Lg (MPN RFP 103). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/8 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 4 1/2 in Bore, Cast Iron, Set Screws, 3 1/2 in Lg (MPN RFP 408). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/8 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 4 1/2 in Bore, Cast Iron, Set Screws, 3 1/2 in Lg (MPN RFP 408). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 3/8 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 1/2 in Bore, Cast Iron, Set Screws, 5 3/8 in Lg (MPN RFB 108). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 1/2 in Bore, Cast Iron, Set Screws, 5 3/8 in Lg (MPN RFB 108). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 3/8 in Bore, Cast Iron, Set Screws, 4 5/8 in Lg (MPN RFB 106). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
SEALMASTER
SEALMASTER 4 Bolt Flange Bearing: Tapered Roller, 1 3/8 in Bore, Cast Iron, Set Screws, 4 5/8 in Lg (MPN RFB 106). Key specifications — Bore Type: Cylindrical; Brand: SEALMASTER; Lubricant Material: NLGI #2 Equivalent; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.