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Needle Roller Inner Rings
NTN 1R55X63X45 Needle Roller Inner Race 55x63x45mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 55mm
Outside Diameter: 63mm
Width: 45mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R55X65X28 Needle Roller Inner Race 55x65x28mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 55mm
Outside Diameter: 65mm
Width: 28mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R55X65X30 Needle Roller Inner Race 55x65x30mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 55mm
Outside Diameter: 65mm
Width: 30mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R55X65X60 Needle Roller Inner Race 55x65x60mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 55mm
Outside Diameter: 65mm
Width: 60mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R5X7X10 Needle Roller Inner Race 5x7x10mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 5mm
Outside Diameter: 7mm
Width: 10mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R5X8X12 Needle Roller Inner Race 5x8x12mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 5mm
Outside Diameter: 8mm
Width: 12mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R5X8X16 Needle Roller Inner Race 5x8x16mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 5mm
Outside Diameter: 8mm
Width: 16mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R60X68X34 Needle Roller Inner Race 60x68x34mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 60mm
Outside Diameter: 68mm
Width: 34mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R60X68X35 Needle Roller Inner Race 60x68x35mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 60mm
Outside Diameter: 68mm
Width: 35mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R60X68X45 Needle Roller Inner Race 60x68x45mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 60mm
Outside Diameter: 68mm
Width: 45mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R60X70X25 Needle Roller Inner Race 60x70x25mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 60mm
Outside Diameter: 70mm
Width: 25mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R60X70X25V2 Needle Roller Inner Race 60x70x25mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 60mm
Outside Diameter: 70mm
Width: 25mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R60X70X30 Needle Roller Inner Race 60x70x30mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 60mm
Outside Diameter: 70mm
Width: 30mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R60X70X60 Needle Roller Inner Race 60x70x60mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 60mm
Outside Diameter: 70mm
Width: 60mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R65X72X25 Needle Roller Inner Race 65x72x25mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 65mm
Outside Diameter: 72mm
Width: 25mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R65X72X34 Needle Roller Inner Race 65x72x34mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 65mm
Outside Diameter: 72mm
Width: 34mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R65X72X45 Needle Roller Inner Race 65x72x45mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 65mm
Outside Diameter: 72mm
Width: 45mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R65X73X25 Needle Roller Inner Race 65x73x25mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 65mm
Outside Diameter: 73mm
Width: 25mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R65X73X35 Needle Roller Inner Race 65x73x35mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 65mm
Outside Diameter: 73mm
Width: 35mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R65X75X28 Needle Roller Inner Race 65x75x28mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 65mm
Outside Diameter: 75mm
Width: 28mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R65X75X30 Needle Roller Inner Race 65x75x30mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 65mm
Outside Diameter: 75mm
Width: 30mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R65X75X60 Needle Roller Inner Race 65x75x60mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 65mm
Outside Diameter: 75mm
Width: 60mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R6X10X10 Needle Roller Inner Race 6x10x10mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 6mm
Outside Diameter: 10mm
Width: 10mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R6X10X10D Needle Roller Inner Race 6x10x10mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 6mm
Outside Diameter: 10mm
Width: 10mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R6X10X12D Needle Roller Inner Race 6x10x12mm - Allow 2-3 Days
- Precision-Ground for superior performance
- Exceptional wear resistance and durability
- Optimized load distribution, smooth rotation, and long-term system reliability
NTN Inner Races: These inner races are engineered for precision, durability, and reliability in high-performance applications. Manufactured from high-quality, hardened bearing steel, it [show more]...
Limited Stock
Inside Diameter: 6mm
Outside Diameter: 10mm
Width: 12mm
Needle Roller Bearings
Adhesives
Lubricants
Needle Roller Inner Rings
Used in situations where a larger width is needed but run out tolerances are less important, needle roller inner rings are an economical answer that can be used in conjunction with a range of cage type and needle roller bearings.
Here at Simply Bearings, we supply needle roller inner rings made from hardened carbon chromium steel. They have a ground bore and outer diameter with sides and edges that are only smoothed. We stock needle roller inner rings with inside diameters from 5mm up to 440mm and outside diameters from 7mm to 490mm, plus widths from 9.75mm up to 160mm. The rings are produced by major brands including IKO and economy versions are available too, for those on a tight budget.
Selecting the correct product from our website is a simple process, just pick the dimensions you want from the drop-down menus shown at the top of the product category page. If you need more detail on a specific product you can click on the Technical tab from its page to see a full list of dimensions along with a sectioned drawing which should give you all the information you need to make sure you're getting the right item. If there are any questions that the website doesn't answer, you can always give our customer services team a call, or drop them an email and they'll be happy to help with your query.
When you're ready to buy, ordering from our website is fast and secure, or you can give us a call and buy over the phone if you prefer. Second class postal delivery is free of charge on all of our orders, but if you need to get hold of your needle roller inner rings faster, you can opt for first class or courier delivery at the checkout. Same day and next day services are available and the cost will be calculated for you on the website. If you're local to our warehouse you can collect your order in person, but please give us a ring first to make arrangements. Overseas orders are no problem either and we can offer low-cost delivery on our products to most part of the world.
When you order from Simply Bearings, you have the reassurance of being covered by our 90-day, no-quibble, money back guarantee. You also have the peace of mind that comes from dealing with an ISO 9001 certified company.







