JR12x15x18,5 Needle Roller Bearing Inner Ring KOYO / NTN Interchange

JR12x15x18,5 Needle Roller Bearing Inner Ring is a precision ground, through-hardened component designed for use with K series needle roller and cage assemblies or HK series drawn cup bearings. They provide a hardened raceway when the shaft cannot serve this function.

Custom orders are welcome, and interchangeable replacements for common international brands (INA,FAG,KOYO,NTN SKF, IKO) are also available.

Below is a selection of typical models from our production:

IR-212620, JR20x24x16, IR-243220, JR15x20x26, IR-202420, JR70x80x60, JR25x30x20, JR14x17x17, JR35x40x30, IR-445228, JRZ35x42x23JS1, JR100x110x30, JR8x12x10JS1, JR22x28x20,5, IR-1820, JR38x43x20, IR-253220, JR5x8x16, JRZ15x20x14JS1, JR50x55x40, IR-314028, IR-283624, JR17x22x16JS1, IR-445232, JR9x12x12, JR17x20x30,5, JR75x85x35, JR38x43x30, IR-192420, IR-2324, JR85x95x36, IR-2220, JR25x29x20, IRA-8, JR35x40x17, JRZ45x52x23JS1, JR85x95x30, JR17x22x16, JR25x30x26, IRA-6, IRA-20, JR15x18x16,5, IR-162016, JRZ8x12x12JS1, JR35x42x36, IR-222820, JR130x145x35, IR-2020, JRZ12x16x14JS1, JR20x25x17, JR50x58x22, JR80x90x30, IR-2316, JR7x10x12, IR-273216, JR10x14x16, IR-243220, JR12x15x22,5, IR-324028, IR-141820

Application

Heavy-duty industrial machinery

Construction equipment

Mining machinery

Steel mill equipment

Gearboxes and transmissions

Machine tool spindles

Material handling systems

Packaging

• Industrial packaging
• Neutral packaging
• Customized brand packaging available
• Single box+standard export carton packing+wooden pallet packing for export shipment

Stock & Delivery

We maintain sufficient inventory for common bearing models.

Small trial orders are welcome. Fast shipment is available for urgent orders.

Send Inquiry

We offer OEM manufacturing for non-standard bore sizes, widths, and materials. Please provide your drawing or specifications, and we will respond with a quotation within 24 hours.

Email: sales@needlebearingcn.com