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Needle Roller Inner Rings
NTN 1R15X18X255 Needle Roller Inner Race 15x18x25.5mm - 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: 15mm
Outside Diameter: 18mm
Width: 25.5mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R15X20X14D Needle Roller Inner Race 15x20x14mm - 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: 15mm
Outside Diameter: 20mm
Width: 14mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R15X20X18 Needle Roller Inner Race 15x20x18mm - 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: 15mm
Outside Diameter: 20mm
Width: 18mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R15X20X205 Needle Roller Inner Race 15x20x20.5mm - 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: 15mm
Outside Diameter: 20mm
Width: 20.5mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R17X21X20 Needle Roller Inner Race 17x21x20mm - 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: 17mm
Outside Diameter: 21mm
Width: 20mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R17X22X16D Needle Roller Inner Race 17x22x16mm - 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: 17mm
Outside Diameter: 22mm
Width: 16mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R17X22X18 Needle Roller Inner Race 17x22x18mm - 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: 17mm
Outside Diameter: 22mm
Width: 18mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R17X22X205 Needle Roller Inner Race 17x22x20.5mm - 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: 17mm
Outside Diameter: 22mm
Width: 20.5mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R20X24X285 Needle Roller Inner Race 20x24x28.5mm - 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: 20mm
Outside Diameter: 24mm
Width: 28.5mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R20X25X16 Needle Roller Inner Race 20x25x16mm - 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: 20mm
Outside Diameter: 25mm
Width: 16mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R20X25X165 Needle Roller Inner Race 20x25x16.5mm - 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: 20mm
Outside Diameter: 25mm
Width: 16.5mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R22X26X20 Needle Roller Inner Race 22x26x20mm - 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: 22mm
Outside Diameter: 26mm
Width: 20mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R22X28X17 Needle Roller Inner Race 22x28x17mm - 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: 22mm
Outside Diameter: 28mm
Width: 17mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R22X28X205 Needle Roller Inner Race 22x28x20.5mm - 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: 22mm
Outside Diameter: 28mm
Width: 20.5mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R25X30X205 Needle Roller Inner Race 25x30x20.5mm - 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: 25mm
Outside Diameter: 30mm
Width: 20.5mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R30X35X125 Needle Roller Inner Race 30x35x12.5mm - 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: 30mm
Outside Diameter: 35mm
Width: 12.5mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R6X8X10 Needle Roller Inner Race 6x8x10mm - 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: 8mm
Width: 10mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R7X9X10 Needle Roller Inner Race 7x9x10mm - 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: 7mm
Outside Diameter: 9mm
Width: 10mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R12X15X225 Needle Roller Inner Race 12x15x22.5mm - 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: 12mm
Outside Diameter: 15mm
Width: 22.5mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R15X20X23 Needle Roller Inner Race 15x20x23mm - 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: 15mm
Outside Diameter: 20mm
Width: 23mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R15X22X20 Needle Roller Inner Race 15x22x20mm - 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: 15mm
Outside Diameter: 22mm
Width: 20mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R17X21X16 Needle Roller Inner Race 17x21x16mm - 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: 17mm
Outside Diameter: 21mm
Width: 16mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R17X22X14D Needle Roller Inner Race 17x22x14mm - 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: 17mm
Outside Diameter: 22mm
Width: 14mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R20X25X18D Needle Roller Inner Race 20x25x18mm - 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: 20mm
Outside Diameter: 25mm
Width: 18mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R20X28X20 Needle Roller Inner Race 20x28x20mm - 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: 20mm
Outside Diameter: 28mm
Width: 20mm
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.








