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KOYO FCB-12 Single-Direction Needle Roller Clutch & Bearing Assembly - Single-Direction Needle Roller Clutch & Bearing Assemblies
KOYOSingle-Direction Needle Roller Clutch & Bearing Assemblies

KOYO FCB-12 Single-Direction Needle Roller Clutch & Bearing Assembly

The KOYO FCB-12 is a single-direction needle roller clutch and bearing assembly with a metric design. It features a 12 mm bore, 18 mm outer diameter, and 26 mm overall width, with three rows of rollers and an open…

SKU 3G-OTH-101861

Also listed as: FCB12 · FCB 12

Brand
KOYO
Item
FCB-12 Single-Direction Needle Roller Clutch & Bearing Assembly
Category
Single-Direction Needle Roller Clutch & Bearing Assemblies
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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

KOYO
Manufacturer Part Number
FCB-12
Type
12, Open, FCB-12
Bore
12 mm
OD
18 mm
Rows
3
Overall Wd
26 mm
Bearing Design
FCB
Number of Rows
Three
Full Complement
No
System of Measurement
Metric
Bearing Industry Number
12

Technical Documents

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

Product Description

The KOYO FCB-12 is a single-direction needle roller clutch and bearing assembly with a metric design. It features a 12 mm bore, 18 mm outer diameter, and 26 mm overall width, with three rows of rollers and an open configuration. This bearing is identified by the manufacturer part number FCB-12 and bearing industry number 12.

Frequently Asked Questions

What is the KOYO FCB-12 needle roller bearing used for?

The KOYO FCB-12 is a single-direction needle roller clutch and bearing assembly used in industrial machinery requiring compact, high-load radial support and one-way overrunning capability. Common applications include printing presses, packaging equipment, and automotive transmissions where precise indexing or backstop functions are needed.

What are the specifications of the KOYO FCB-12 bearing?

The KOYO FCB-12 has a 12 mm bore, 18 mm outer diameter, and 26 mm overall width. It features three rows of rollers in an open configuration, metric system of measurement, and bearing design FCB. The manufacturer part number is FCB-12 and bearing industry number is 12. It is not a full-complement design.

Where to buy the KOYO FCB-12 bearing worldwide?

3G Electric supplies the KOYO FCB-12 needle roller bearing worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact our team to source this bearing for your application.

How to select the correct KOYO FCB-12 bearing for an application?

To select the KOYO FCB-12, verify that your shaft diameter matches the 12 mm bore and housing bore matches the 18 mm OD. Confirm the 26 mm overall width fits your space envelope. Ensure the three-row, open configuration and single-direction clutch function meet your load and speed requirements. Consult KOYO technical documentation for load ratings.

Used in

Common applications for KOYO
Automotive transmissions — KOYO drawn-cup needle roller bearings (B-44) for gear support in compact gearbox assemblies.
Conveyor systems — KOYO heavy-duty needle roller bearings (HJ-202820) for radial load handling in roller conveyors.
Printing machinery — KOYO needle roller thrust bearings (NTA-3648) for axial positioning of rotating cylinders.
Industrial pumps — KOYO thrust bearing washers (TRD-3648) for axial load distribution in pump shafts.
Indexing tables — KOYO single-direction clutch and bearing assemblies (FCB-20) for precise indexing and overrunning control.
Material handling equipment — KOYO drawn-cup needle roller bearings (BH-2020) for compact wheel or roller supports.

KOYO Products

3G Electric supplies KOYO single-direction needle roller clutch & bearing assemblies. 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
Metric single-direction needle roller clutch and bearing assembly with 8 mm bore, 14 mm outer diameter, and 12 mm overall width. Open configuration, one-row design, constructed from alloy steel. Provides one-way rotation and radial support in industrial machinery such as packaging equipment, printing presses, and conveyor systems
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Metric single-direction needle roller clutch and bearing assembly with 8 mm bore, 14 mm outer diameter, and 12 mm overall width. Open configuration, one-row design, constructed from alloy steel. Provides one-way rotation and radial support in industrial machinery such as packaging equipment, printing presses, and conveyor systems
Single-direction needle roller clutch and bearing assembly with 25 mm bore, 32 mm OD, and 20 mm width. Open design, single row, alloy steel construction. Used in industrial machinery for overrunning, indexing, and backstopping applications such as packaging equipment and conveyor systems
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Single-direction needle roller clutch and bearing assembly with 25 mm bore, 32 mm OD, and 20 mm width. Open design, single row, alloy steel construction. Used in industrial machinery for overrunning, indexing, and backstopping applications such as packaging equipment and conveyor systems
KOYO B-1110 is a single-row, full complement drawn-cup needle roller bearing with an 11/16 in bore and 7/8 in OD. It is open and made of alloy steel. This inch-system bearing is suitable for applications where radial space is limited, such as gearboxes, pumps, and conveyor systems
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KOYO B-1110 is a single-row, full complement drawn-cup needle roller bearing with an 11/16 in bore and 7/8 in OD. It is open and made of alloy steel. This inch-system bearing is suitable for applications where radial space is limited, such as gearboxes, pumps, and conveyor systems
Single-row drawn-cup needle roller bearing with full complement of rollers for maximum radial load capacity in compact spaces. Open design, inch dimensions: 3/8 in bore, 9/16 in outer diameter, 0.5 in overall width. Suitable for applications such as automotive transmissions, gearboxes, pumps, and industrial machinery where high radial loads and limited space are factors
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Single-row drawn-cup needle roller bearing with full complement of rollers for maximum radial load capacity in compact spaces. Open design, inch dimensions: 3/8 in bore, 9/16 in outer diameter, 0.5 in overall width. Suitable for applications such as automotive transmissions, gearboxes, pumps, and industrial machinery where high radial loads and limited space are factors
Single-row drawn-cup needle roller bearing with full complement design for maximum roller count. Bore 3/8 in, OD 9/16 in, open configuration, alloy steel construction. Suitable for compact radial spaces requiring high load capacity, such as transmissions, gearboxes, and pumps
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Single-row drawn-cup needle roller bearing with full complement design for maximum roller count. Bore 3/8 in, OD 9/16 in, open configuration, alloy steel construction. Suitable for compact radial spaces requiring high load capacity, such as transmissions, gearboxes, and pumps
Single-row drawn-cup needle roller bearing with full complement design for maximum load capacity in compact radial spaces. Open configuration, alloy steel construction, inch system. Suitable for use in automotive transmissions, gearboxes, and industrial machinery where high radial loads occur
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Single-row drawn-cup needle roller bearing with full complement design for maximum load capacity in compact radial spaces. Open configuration, alloy steel construction, inch system. Suitable for use in automotive transmissions, gearboxes, and industrial machinery where high radial loads occur

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Metric single-direction needle roller clutch and bearing assembly with 16 mm bore, 22 mm outer diameter, and 16 mm overall width. Open configuration, alloy steel construction, one-row design. Suitable for overrunning, indexing, and backstopping applications in industrial machinery
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The KOYO FCB-8 is a single-direction needle roller clutch and bearing assembly with an 8 mm bore, 14 mm OD, and 20 mm overall width. It features three rows of rollers in an open, non-full complement design, constructed from alloy steel. This metric bearing is used in applications requiring compact radial support and one-way overrunning or indexing, such as in packaging, printing, and conveyor systems
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The KOYO FCB-8 is a single-direction needle roller clutch and bearing assembly with an 8 mm bore, 14 mm OD, and 20 mm overall width. It features three rows of rollers in an open, non-full complement design, constructed from alloy steel. This metric bearing is used in applications requiring compact radial support and one-way overrunning or indexing, such as in packaging, printing, and conveyor systems
Metric single-direction needle roller clutch and bearing assembly with 8 mm bore, 12 mm OD, and 22 mm overall width. Open, three-row, non-full-complement design supports radial loads and permits free rotation in one direction. Suitable for industrial machinery requiring compact, high-load rotary motion control
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Metric single-direction needle roller clutch and bearing assembly with 8 mm bore, 12 mm OD, and 22 mm overall width. Open, three-row, non-full-complement design supports radial loads and permits free rotation in one direction. Suitable for industrial machinery requiring compact, high-load rotary motion control
Metric open-design bearing assembly with 30 mm bore, 37 mm OD, and 20 mm width. Single row of alloy steel rollers, not full-complement. Used for overrunning or indexing in conveyors, packaging machinery, and gearboxes
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Metric open-design bearing assembly with 30 mm bore, 37 mm OD, and 20 mm width. Single row of alloy steel rollers, not full-complement. Used for overrunning or indexing in conveyors, packaging machinery, and gearboxes
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Single-direction needle roller clutch and bearing assembly with 10 mm bore, 14 mm OD, and 12 mm overall width. Open design, one row of rollers, alloy steel construction. Used in industrial machinery for one-way overrunning or indexing applications such as conveyors and packaging equipment
The KOYO FCB-30 is a single-direction needle roller clutch and bearing assembly with a 30 mm bore, 37 mm OD, and 30 mm overall width. It features three rows of rollers in an open configuration and is not a full complement design. This metric bearing is used in applications requiring compact radial support and one-way overrunning clutch action, such as in printing presses, packaging equipment, and machine tool spindles
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The KOYO FCB-30 is a single-direction needle roller clutch and bearing assembly with a 30 mm bore, 37 mm OD, and 30 mm overall width. It features three rows of rollers in an open configuration and is not a full complement design. This metric bearing is used in applications requiring compact radial support and one-way overrunning clutch action, such as in printing presses, packaging equipment, and machine tool spindles
The KOYO FCB-25 is a single-direction needle roller clutch and bearing assembly with a 25 mm bore, 32 mm OD, and 30 mm overall width. It features three rows of rollers in an open configuration and is not a full complement design. This metric bearing is used in applications requiring compact radial support and one-way overrunning clutch action, such as in printing presses, packaging equipment, and machine tool spindles
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The KOYO FCB-25 is a single-direction needle roller clutch and bearing assembly with a 25 mm bore, 32 mm OD, and 30 mm overall width. It features three rows of rollers in an open configuration and is not a full complement design. This metric bearing is used in applications requiring compact radial support and one-way overrunning clutch action, such as in printing presses, packaging equipment, and machine tool spindles