JR55x63x45 Needle Bearing Inner Ring KOYO / NTN Interchange

JR55x63x45 Needle 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:

JR22x28x17, IR-4016, JR35x44x22, JR22x28x30, JRZ50x58x23JS1, IR-1220, IR-2916, JRZ40x48x23JS1, JR25x30x16JS1, JR12x16x20, JR40x50x20, JR15x20x16, IR-2424, JR12x16x12, JR70x80x60, JR25x29x20, JR12x16x16, JR10x14x12JS1, JR8x12x12,5, JR110x120x30, JR17x20x16,5, JR25x30x26, JR10x14x13, JR28x32x17, JR45x50x40, JR85x95x36, JR150x165x40, IR-1516, JR45x50x20, IR-404828, JR15x20x12, JR14x17x17, IR-202420, IR-1416, JR170x185x45, JR75x85x25, IR-111412, JR20x25x26,5, JR50x58x40, JR12x15x22,5, IR-283628, JR42x47x20, JR20x25x16, JR15x18x16,5, IR-485632, JR90x100x26, JR60x70x25, IR-253020, JR17x20x30,5, IR-222820, JR40x48x22, JR20x25x30, IR-384828, IR-151820, IR-243220, JR45x55x22, JR70x80x25, JR25x30x16, JR100x115x40, JR12x15x18,5

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