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

NTN 2 Bolt Flange Bearing: Radial Ball, 1/2 in Bore, Cast Iron, Set Screws - General Purpose Flange-Mount Ball Bearings
NTNGeneral Purpose Flange-Mount Ball Bearings

NTN 2 Bolt Flange Bearing: Radial Ball, 1/2 in Bore, Cast Iron, Set Screws

The NTN 2 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 1/2 in cylindrical bore, cast iron housing, and set screw locking. It has a rhombus shape, 3 27/32 in length, and uses NLGI #3…

SKU 3G-OTH-111797

Also listed as: ARFLU12 · ARFLU 1 2 · ARFLU-1-2

Brand
NTN
Item
2 Bolt Flange Bearing: Radial Ball, 1/2 in Bore, Cast Iron, Set Screws
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

NTN
Manufacturer Part Number
ARFLU-1/2
Type
Cast Iron, Set Screws, Rhombus
Bore
1/2 in
Lg
3 27/32 in
Bore Type
Cylindrical
Lubricant Material
NLGI #3 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

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

Product Description

The NTN 2 Bolt Flange Bearing is a general purpose flange-mount ball bearing with a 1/2 in cylindrical bore, cast iron housing, and set screw locking. It has a rhombus shape, 3 27/32 in length, and uses NLGI #3 equivalent lubricant. The mounting bolt size is 3/8 in, and the system of measurement is inch.

Frequently Asked Questions

What is the NTN 2 Bolt Flange Bearing used for?

The NTN 2 Bolt Flange Bearing is a general purpose flange-mount ball bearing used to support rotating shafts in industrial machinery. Its cast iron housing and set screw locking provide reliable mounting in conveyors, fans, and material handling equipment where radial loads and moderate speeds are present.

What are the specifications of the NTN ARFLU-1/2 flange bearing?

The NTN ARFLU-1/2 has a 1/2 in cylindrical bore, cast iron housing with set screw locking, and a rhombus shape measuring 3 27/32 in length. It uses NLGI #3 equivalent lubricant, requires a 3/8 in mounting bolt, and is designed for inch-system applications.

Where to buy the NTN ARFLU-1/2 flange bearing worldwide?

3G Electric supplies the NTN ARFLU-1/2 flange bearing to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this general purpose flange-mount ball bearing.

How to install the NTN 2 Bolt Flange Bearing?

To install the NTN 2 Bolt Flange Bearing, align the rhombus housing with the mounting surface and secure using 3/8 in bolts. Tighten the set screws onto the shaft's flat or keyway to lock the 1/2 in bore. Ensure the shaft is clean and lubricated per NLGI #3 equivalent grease recommendations.

Used in

Common applications for NTN
Automotive driveline — NTN tapered roller bearing assemblies (e.g., 4T-30303) for differential and wheel hub applications
Conveyor systems — NTN 4-bolt flange bearings (e.g., UCF211-200D1) for idler rollers and take-up units
Machine tool spindles — NTN duplex angular contact bearings (e.g., ML7006CVDUJ74S) for high-speed precision rotation
Industrial fans — NTN high-temperature radial ball bearings (e.g., 6004FT150) for oven and dryer exhaust systems
Pump drives — NTN radial ball bearings (e.g., 6008LLBC3/L627) for electric motor and pump shaft support
Agricultural equipment — NTN tapered roller bearing cones (e.g., LM29748L) for gearbox and PTO shaft assemblies

NTN Products

3G Electric supplies NTN 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 flange-mount ball bearing with 1 in cylindrical bore and set screw locking. Lubricated with NLGI #3 equivalent grease. Overall length 4 29/32 in, height 2 3/4 in, mounting bolt size 7/16 in. Supports rotating shafts in conveyors, industrial machinery, and material handling equipment
NTN
Cast iron flange-mount ball bearing with 1 in cylindrical bore and set screw locking. Lubricated with NLGI #3 equivalent grease. Overall length 4 29/32 in, height 2 3/4 in, mounting bolt size 7/16 in. Supports rotating shafts in conveyors, industrial machinery, and material handling equipment
This flange-mount ball bearing features a cast iron rhombus housing with two-bolt mounting for radial load support. It has a 1 1/4 in cylindrical bore secured by set screws, uses NLGI #3 equivalent lubricant, and requires a 7/16 in mounting bolt. Suitable for general purpose power transmission applications such as conveyors and light machinery
NTN
This flange-mount ball bearing features a cast iron rhombus housing with two-bolt mounting for radial load support. It has a 1 1/4 in cylindrical bore secured by set screws, uses NLGI #3 equivalent lubricant, and requires a 7/16 in mounting bolt. Suitable for general purpose power transmission applications such as conveyors and light machinery
NTN 2 Bolt Flange Bearing: Radial Ball, 3/4 in Bore, Cast Iron, Set Screws, 4 7/16 in Lg, Rhombus (MPN ARFLU-3/4)
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 3/4 in Bore, Cast Iron, Set Screws, 4 7/16 in Lg, Rhombus (MPN ARFLU-3/4)
NTN 2 Bolt Flange Bearing: Radial Ball, 5/8 in Bore, Cast Iron, Set Screws, 3 27/32 in Lg, Rhombus (MPN ARFLU-5/8)
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 5/8 in Bore, Cast Iron, Set Screws, 3 27/32 in Lg, Rhombus (MPN ARFLU-5/8)
NTN 2 Bolt Flange Bearing: Radial Ball, 1 7/16 in Bore, Cast Iron, Set Screws, 6 5/32 in Lg, Rhombus (MPN ARFLU-1.7/16)
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 1 7/16 in Bore, Cast Iron, Set Screws, 6 5/32 in Lg, Rhombus (MPN ARFLU-1.7/16)
NTN 2 Bolt Flange Bearing: Radial Ball, 1 3/16 in Bore, Cast Iron, Set Screws, 5 19/32 in Lg, 52100 (MPN ARFLU-1.3/16)
NTN
NTN 2 Bolt Flange Bearing: Radial Ball, 1 3/16 in Bore, Cast Iron, Set Screws, 5 19/32 in Lg, 52100 (MPN ARFLU-1.3/16)

More from NTN

View all NTN parts
Cast iron two-bolt flange unit with 1 3/16 in cylindrical bore, set screw shaft locking, and NLGI #3 equivalent grease. Designed for radial load support in conveyors, material handling, and industrial machinery. Mounting bolt size 7/16 in, overall length 5 19/32 in
NTN
Cast iron two-bolt flange unit with 1 3/16 in cylindrical bore, set screw shaft locking, and NLGI #3 equivalent grease. Designed for radial load support in conveyors, material handling, and industrial machinery. Mounting bolt size 7/16 in, overall length 5 19/32 in
Cast iron two-bolt flange unit with 2 3/16 in cylindrical bore and eccentric collar locking. Lubricated with NLGI #3 equivalent grease. Mounting bolt size 5/8 in, overall length 8 17/32 in. Suitable for industrial conveyors, material handling, and agricultural machinery requiring radial load support and moderate misalignment accommodation
NTN
Cast iron two-bolt flange unit with 2 3/16 in cylindrical bore and eccentric collar locking. Lubricated with NLGI #3 equivalent grease. Mounting bolt size 5/8 in, overall length 8 17/32 in. Suitable for industrial conveyors, material handling, and agricultural machinery requiring radial load support and moderate misalignment accommodation
Square cast iron flange-mount ball bearing with 2 1/4 in cylindrical bore and set screw locking. Lubricated with NLGI #3 equivalent grease, mounting bolt size 5/8 in, overall length 6 7/8 in. Suitable for supporting rotating shafts in conveyors, fans, and pumps
NTN
Square cast iron flange-mount ball bearing with 2 1/4 in cylindrical bore and set screw locking. Lubricated with NLGI #3 equivalent grease, mounting bolt size 5/8 in, overall length 6 7/8 in. Suitable for supporting rotating shafts in conveyors, fans, and pumps
This NTN flange-mount ball bearing features a 1-7/8 in cylindrical bore and a cast iron housing with an eccentric collar locking mechanism. It is lubricated with NLGI #3 equivalent grease and requires a 5/8 in mounting bolt. The bearing measures 5-21/32 in length and is used to support rotating shafts in industrial machinery, conveyors, and material handling equipment
NTN
This NTN flange-mount ball bearing features a 1-7/8 in cylindrical bore and a cast iron housing with an eccentric collar locking mechanism. It is lubricated with NLGI #3 equivalent grease and requires a 5/8 in mounting bolt. The bearing measures 5-21/32 in length and is used to support rotating shafts in industrial machinery, conveyors, and material handling equipment
This NTN flange-mount ball bearing has a 1 15/16 in cylindrical bore and a cast iron housing with an eccentric collar for secure shaft mounting. It is lubricated with NLGI #3 Equivalent grease and uses 5/8 in mounting bolts. The bearing is 5 21/32 in long and is commonly used in industrial power transmission systems such as conveyor lines, fans, and pumps
NTN
This NTN flange-mount ball bearing has a 1 15/16 in cylindrical bore and a cast iron housing with an eccentric collar for secure shaft mounting. It is lubricated with NLGI #3 Equivalent grease and uses 5/8 in mounting bolts. The bearing is 5 21/32 in long and is commonly used in industrial power transmission systems such as conveyor lines, fans, and pumps
Cast iron two-bolt flange unit with 1 15/16 in cylindrical bore and eccentric collar locking. Lubricated with NLGI #3 equivalent grease, designed for 5/8 in mounting bolts. Overall length 7 15/32 in. Suitable for industrial conveyors, material handling, and agricultural machinery requiring radial load support and moderate misalignment accommodation
NTN
Cast iron two-bolt flange unit with 1 15/16 in cylindrical bore and eccentric collar locking. Lubricated with NLGI #3 equivalent grease, designed for 5/8 in mounting bolts. Overall length 7 15/32 in. Suitable for industrial conveyors, material handling, and agricultural machinery requiring radial load support and moderate misalignment accommodation
This flange-mount ball bearing has a 1 3/4 in cylindrical bore and a cast iron rhombus housing with set screw locking. It is lubricated with NLGI #3 Equivalent grease and uses a 5/8 in mounting bolt. Suitable for supporting rotating shafts in industrial machinery, conveyors, and material handling equipment
NTN
This flange-mount ball bearing has a 1 3/4 in cylindrical bore and a cast iron rhombus housing with set screw locking. It is lubricated with NLGI #3 Equivalent grease and uses a 5/8 in mounting bolt. Suitable for supporting rotating shafts in industrial machinery, conveyors, and material handling equipment
This NTN flange-mount ball bearing features a 1 in cylindrical bore, cast iron rhombus housing, and set screw locking. It is lubricated with NLGI #3 Equivalent grease and uses 7/16 in mounting bolts. Designed for radial load applications in industrial machinery, conveyors, and material handling equipment
NTN
This NTN flange-mount ball bearing features a 1 in cylindrical bore, cast iron rhombus housing, and set screw locking. It is lubricated with NLGI #3 Equivalent grease and uses 7/16 in mounting bolts. Designed for radial load applications in industrial machinery, conveyors, and material handling equipment