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

TIMKEN 4 Bolt Flange Bearing: Radial Ball, 3/4 in Bore, Cast Iron, Eccentric Collar - General Purpose Flange-Mount Ball Bearings
TIMKENGeneral Purpose Flange-Mount Ball Bearings

TIMKEN 4 Bolt Flange Bearing: Radial Ball, 3/4 in Bore, Cast Iron, Eccentric Collar

The TIMKEN 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 3/4 in cylindrical bore and a cast iron housing. It features an eccentric collar and measures 3 23/64 in in length. The bearing…

SKU 3G-OTH-109954

Also listed as: RCJ34 · RCJ 3 4 · RCJ-3-4

Brand
TIMKEN
Item
4 Bolt Flange Bearing: Radial Ball, 3/4 in Bore, Cast Iron, Eccentric Collar
Category
General Purpose Flange-Mount Ball Bearings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

TIMKEN
Manufacturer Part Number
RCJ 3/4
Type
Cast Iron, Eccentric Collar
Bore
3/4 in
Lg
3 23/64 in
Bore Type
Cylindrical
Lubricant Material
NLGI #2 Equivalent
Mounting Bolt Size
3/8 in
System of Measurement
Inch

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

TIMKEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TIMKEN 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 3/4 in cylindrical bore and a cast iron housing. It features an eccentric collar and measures 3 23/64 in in length. The bearing is lubricated with NLGI #2 Equivalent grease and uses a 3/8 in mounting bolt. This inch-system unit is identified by manufacturer part number RCJ 3/4.

Frequently Asked Questions

What is the TIMKEN 4 Bolt Flange Bearing used for?

The TIMKEN 4 Bolt Flange Bearing is a general purpose flange-mount ball bearing used to support rotating shafts in industrial machinery. Its cast iron housing and eccentric collar allow for secure mounting and easy shaft alignment in applications like conveyors, fans, and material handling equipment.

What are the specifications of the TIMKEN RCJ 3/4 bearing?

The TIMKEN RCJ 3/4 is a 4 bolt flange bearing with a 3/4 in cylindrical bore, cast iron housing, and eccentric collar. It measures 3 23/64 in length, uses a 3/8 in mounting bolt, and is lubricated with NLGI #2 Equivalent grease. It is an inch-system unit.

Where to buy TIMKEN RCJ 3/4 flange bearing worldwide?

3G Electric supplies the TIMKEN RCJ 3/4 flange bearing worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source this bearing and other genuine TIMKEN parts for your application.

How to install a TIMKEN 4 bolt flange bearing with eccentric collar?

To install a TIMKEN 4 bolt flange bearing with eccentric collar, first slide the bearing onto the shaft. Rotate the inner ring in the shaft rotation direction until the eccentric collar locks. Tighten the setscrew on the collar against the shaft flat. Secure the housing with 3/8 in bolts. Always follow manufacturer guidelines.

Used in

Common applications for TIMKEN
Conveyor systems — TIMKEN RA115RRB spherical insert bearings for idler rollers and pulleys
Agricultural equipment — TIMKEN RCSM1 cartridge bearing units for tillage and harvesting machinery
Material handling — TIMKEN YASM 1-7/16 pillow block bearings for belt conveyors and elevators
Industrial fans — TIMKEN 6319 radial ball bearings for high-speed fan shafts
Pump drives — TIMKEN SCJ 5/8 flange-mount bearings for close-coupled pump applications
Packaging machinery — TIMKEN YCJ 30 SGT flange-mount bearings for indexing and feed mechanisms

TIMKEN Products

3G Electric supplies TIMKEN 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Cast iron square flange-mount ball bearing with a 5/8 in cylindrical bore. Features an eccentric collar for shaft locking and is pre-lubricated with NLGI #2 equivalent grease. Mounting bolt size is 3/8 in. Suitable for supporting rotating shafts in conveyors, fans, and agricultural equipment
TIMKEN
Cast iron square flange-mount ball bearing with a 5/8 in cylindrical bore. Features an eccentric collar for shaft locking and is pre-lubricated with NLGI #2 equivalent grease. Mounting bolt size is 3/8 in. Suitable for supporting rotating shafts in conveyors, fans, and agricultural equipment
Cast iron four-bolt flange unit with a 2 3/8 in cylindrical bore and eccentric collar locking. Lubricated with NLGI #2 equivalent grease. Used in conveyors, fans, and material handling systems to support radial loads and accommodate shaft misalignment
TIMKEN
Cast iron four-bolt flange unit with a 2 3/8 in cylindrical bore and eccentric collar locking. Lubricated with NLGI #2 equivalent grease. Used in conveyors, fans, and material handling systems to support radial loads and accommodate shaft misalignment
Square flange-mount ball bearing with a 2 3/16 in cylindrical bore and cast iron housing. Features an eccentric collar for secure shaft mounting and uses NLGI #2 equivalent lubricant. Designed for inch-system applications, with a mounting bolt size of 5/8 in. Suitable for supporting rotating shafts in industrial equipment such as conveyors and fans
TIMKEN
Square flange-mount ball bearing with a 2 3/16 in cylindrical bore and cast iron housing. Features an eccentric collar for secure shaft mounting and uses NLGI #2 equivalent lubricant. Designed for inch-system applications, with a mounting bolt size of 5/8 in. Suitable for supporting rotating shafts in industrial equipment such as conveyors and fans
Cast iron two-bolt flange unit with 3/4 in cylindrical bore and eccentric collar locking. Pre-lubricated with NLGI #2 equivalent grease. Mounting bolt size 3/8 in, overall length 4 25/64 in. Suitable for supporting rotating shafts in conveyors, fans, and material handling equipment under moderate loads
TIMKEN
Cast iron two-bolt flange unit with 3/4 in cylindrical bore and eccentric collar locking. Pre-lubricated with NLGI #2 equivalent grease. Mounting bolt size 3/8 in, overall length 4 25/64 in. Suitable for supporting rotating shafts in conveyors, fans, and material handling equipment under moderate loads
Square flange-mount ball bearing with a 2 7/16 in cylindrical bore and cast iron housing. Features an eccentric collar locking mechanism and is pre-lubricated with NLGI #2 equivalent grease. Designed for inch-system applications with a 5/8 in mounting bolt size. Suitable for supporting rotating shafts in conveyors, fans, and material handling equipment
TIMKEN
Square flange-mount ball bearing with a 2 7/16 in cylindrical bore and cast iron housing. Features an eccentric collar locking mechanism and is pre-lubricated with NLGI #2 equivalent grease. Designed for inch-system applications with a 5/8 in mounting bolt size. Suitable for supporting rotating shafts in conveyors, fans, and material handling equipment
This flange-mount ball bearing features a 7/8 in cylindrical bore, cast iron housing, and eccentric collar for shaft mounting. It is lubricated with NLGI #2 equivalent grease and requires a 3/8 in mounting bolt. The bearing has a length of 3 47/64 in and is suitable for supporting rotating shafts in industrial machinery such as conveyors and packaging equipment
TIMKEN
This flange-mount ball bearing features a 7/8 in cylindrical bore, cast iron housing, and eccentric collar for shaft mounting. It is lubricated with NLGI #2 equivalent grease and requires a 3/8 in mounting bolt. The bearing has a length of 3 47/64 in and is suitable for supporting rotating shafts in industrial machinery such as conveyors and packaging equipment

More from TIMKEN

View all TIMKEN parts
This flange-mount ball bearing features a 25 mm cylindrical bore, cast iron housing with set screw locking, and is lubricated with NLGI 2 Lithium Complex Grease. It has a non-split housing, uses M10 mounting bolts, and measures 95.2 mm length by 40 mm width. Suitable for general purpose industrial applications such as conveyors, fans, and material handling equipment where flange mounting is required
TIMKEN
This flange-mount ball bearing features a 25 mm cylindrical bore, cast iron housing with set screw locking, and is lubricated with NLGI 2 Lithium Complex Grease. It has a non-split housing, uses M10 mounting bolts, and measures 95.2 mm length by 40 mm width. Suitable for general purpose industrial applications such as conveyors, fans, and material handling equipment where flange mounting is required
This TIMKEN flange-mount ball bearing features a 1 1/4 in cylindrical bore and a cast iron housing with an eccentric collar for secure shaft mounting. It is lubricated with NLGI #2 equivalent grease and uses a 1/2 in mounting bolt. The overall length is 6 1/8 in. Typical applications include supporting rotating shafts in industrial machinery, conveyors, and material handling systems
TIMKEN
This TIMKEN flange-mount ball bearing features a 1 1/4 in cylindrical bore and a cast iron housing with an eccentric collar for secure shaft mounting. It is lubricated with NLGI #2 equivalent grease and uses a 1/2 in mounting bolt. The overall length is 6 1/8 in. Typical applications include supporting rotating shafts in industrial machinery, conveyors, and material handling systems
Cast iron flange-mount ball bearing with 1 15/16 in cylindrical bore, set screw shaft locking, and NLGI 2 lithium complex grease. Not-split housing, 8 1/2 in length, requires 5/8 in mounting bolts. Supports rotating shafts in industrial machinery, conveyors, and material handling equipment
TIMKEN
Cast iron flange-mount ball bearing with 1 15/16 in cylindrical bore, set screw shaft locking, and NLGI 2 lithium complex grease. Not-split housing, 8 1/2 in length, requires 5/8 in mounting bolts. Supports rotating shafts in industrial machinery, conveyors, and material handling equipment
Square flange-mount ball bearing with a 1 1/4 in cylindrical bore and cast iron housing. Set screw locking secures the shaft. Lubricated with NLGI #2 Equivalent grease. Uses 7/16 in mounting bolts. Supports rotating shafts in conveyors, material handling, and industrial machinery
TIMKEN
Square flange-mount ball bearing with a 1 1/4 in cylindrical bore and cast iron housing. Set screw locking secures the shaft. Lubricated with NLGI #2 Equivalent grease. Uses 7/16 in mounting bolts. Supports rotating shafts in conveyors, material handling, and industrial machinery
This flange-mount ball bearing features a cast iron housing with a 2 3/16 in cylindrical bore and set screws for shaft mounting. It is lubricated with NLGI #2 equivalent grease and has a 5/8 in mounting bolt size. The overall length is 6 23/64 in. Typical applications include conveyors, fans, and material handling equipment where a four-bolt flange mounting is required
TIMKEN
This flange-mount ball bearing features a cast iron housing with a 2 3/16 in cylindrical bore and set screws for shaft mounting. It is lubricated with NLGI #2 equivalent grease and has a 5/8 in mounting bolt size. The overall length is 6 23/64 in. Typical applications include conveyors, fans, and material handling equipment where a four-bolt flange mounting is required
Flange-mount ball bearing with a 1 3/16 in cylindrical bore, cast iron housing, and set screw locking. Features a 3/8 in mounting bolt size and NLGI #2 Equivalent lubricant. Suitable for supporting rotating shafts in industrial machinery such as conveyors and fans
TIMKEN
Flange-mount ball bearing with a 1 3/16 in cylindrical bore, cast iron housing, and set screw locking. Features a 3/8 in mounting bolt size and NLGI #2 Equivalent lubricant. Suitable for supporting rotating shafts in industrial machinery such as conveyors and fans
Cast iron rhombus housing with set screw locking. Cylindrical bore, 3/4 in diameter, 4 27/64 in length. Lubricated with NLGI 2 Lithium Complex Grease. Mounting bolt size 3/8 in. Inch system. Used for supporting rotating shafts in conveyors, fans, and pumps
TIMKEN
Cast iron rhombus housing with set screw locking. Cylindrical bore, 3/4 in diameter, 4 27/64 in length. Lubricated with NLGI 2 Lithium Complex Grease. Mounting bolt size 3/8 in. Inch system. Used for supporting rotating shafts in conveyors, fans, and pumps
Square flange-mount ball bearing with a 1/2 in cylindrical bore and cast iron housing. Features an eccentric collar locking mechanism and is lubricated with NLGI #2 Equivalent grease. Mounting bolt size is 3/8 in. Suitable for supporting rotating shafts in industrial machinery such as conveyors and fans
TIMKEN
Square flange-mount ball bearing with a 1/2 in cylindrical bore and cast iron housing. Features an eccentric collar locking mechanism and is lubricated with NLGI #2 Equivalent grease. Mounting bolt size is 3/8 in. Suitable for supporting rotating shafts in industrial machinery such as conveyors and fans