JR70x80x54 Needle Bearing Inner Ring China Bearing Supplier

JR70x80x54 Needle Bearing Inner Ring is a precision-machined, hardened, and ground component that serve as the inner raceway for needle roller and cage assemblies (K series) or drawn cup needle roller bearings (HK/BK series). They are used when the shaft itself cannot be hardened and ground to the required specifications for direct raceway use.

We can supply both standard K series models and interchangeable replacements compatible with INA, SKF, and IKO.

Below are examples of models we regularly produce and export:

JR22x26x16, JR25x30x17, JR95x105x36, JRZ17x22x16JS1, IR-1212, JR38x43x20, IR-253220, JR17x22x16, JR95x105x26, JR25x30x26, JR65x72x45, IR-253020, IR-131616, JR45x55x20, IR-1820, JR10x14x12JS1, IR-253020, IR-2220, IR-1220, JR30x35x26, JR38x43x30, JR55x63x45, JR45x50x35, IR-232820, JR15x20x13, IR-3024, IR-121616, JR60x68x35, JR30x35x16, JR17x22x13, IR-1916, JR25x30x30, JR50x55x25, JR10x14x11JS1, JR10x14x13, IR-68-1, JR35x40x17, JR65x75x60, IRA-14, JR60x70x25, IR-263220, JR32x40x20, JR90x100x36, JR35x42x20, JR28x32x20, JR8x12x10, JR40x45x20, JR70x80x60, JR20x25x16, IRA-6, JR5x8x16, IR-128, IR-68, IR-243220, JR180x195x45, JR65x75x28, JR80x90x54, JR20x25x16JS1, IRA-10, IR-1316

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