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Needle Roller Inner Rings
IRT3540 Needle Roller Inner Race 35x40x40.5mm
| Inner Rings: Made from carbon chromium steel are hardened and ground to their final dimensions. To facilitate the use with needle roller bearings a lead in either side of the sleeve is [show more]... |
Inside Diameter: 35mm
Outside Diameter: 40mm
Width: 40.5mm
Budget Needle Roller Inner Ring IR80x90x35mm
| Budget Inner Rings: Made from carbon chromium steel are hardened and ground to their final dimensions. To facilitate the use with needle roller bearings a lead in either side of the [show more]... |
Inside Diameter: 80mm
Outside Diameter: 90mm
Width: 35mm
Major Brand Needle Roller Inner Ring IR28x32x30mm
| Inner Rings : Made from carbon chromium steel are hardened and ground to their final dimensions. To facilitate the use with needle roller bearings a lead in either side of the sleeve is [show more]... |
Inside Diameter: 28mm
Outside Diameter: 32mm
Width: 30mm
Major Brand Needle Roller Inner Ring with Lubrication Hole IRZ40x48x23IS1mm
| IRZ Series Inner Rings : Made from carbon chromium steel are hardened and ground to their final dimensions. To facilitate the use of the full width of the bearing surface when used with [show more]... |
Inside Diameter: 40mm
Outside Diameter: 48mm
Width: 23mm
IRT3245-1 Needle Roller Inner Race 32x38x45.5mm
| Inner Rings: Made from carbon chromium steel are hardened and ground to their final dimensions. To facilitate the use with needle roller bearings a lead in either side of the sleeve is [show more]... |
Inside Diameter: 32mm
Outside Diameter: 38mm
Width: 45.5mm
IRT5030-1 Needle Roller Inner Race 50x55x30.5mm
| Inner Rings: Made from carbon chromium steel are hardened and ground to their final dimensions. To facilitate the use with needle roller bearings a lead in either side of the sleeve is [show more]... |
Inside Diameter: 50mm
Outside Diameter: 55mm
Width: 30.5mm
LRTZ556346 Needle Roller Inner Race 55x63x46mm
| Inner Rings: Made from carbon chromium steel are hardened and ground to their final dimensions. To facilitate the use with needle roller bearings a small lead chamfer on either side of [show more]... |
Inside Diameter: 55mm
Outside Diameter: 63mm
Width: 46mm
LRT657335 Needle Roller Inner Ring 65x73x35mm
| IKO LRT Inner Rings: These inner rings are heat-treated and finished by grinding to a high degree of accuracy. LRT series inner rings are economical and can be used with RNA49, RNA69, [show more]... |
Inside Diameter: 65mm
Outside Diameter: 73mm
Width: 35mm
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]...
Inside Diameter: 55mm
Outside Diameter: 65mm
Width: 28mm
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]...
Inside Diameter: 60mm
Outside Diameter: 70mm
Width: 25mm
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]...
Inside Diameter: 65mm
Outside Diameter: 72mm
Width: 25mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R45X52X20X Needle Roller Inner Race 45x52x20mm - 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]...
Inside Diameter: 45mm
Outside Diameter: 52mm
Width: 20mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R50X58X40 Needle Roller Inner Race 50x58x40mm - 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]...
Inside Diameter: 50mm
Outside Diameter: 58mm
Width: 40mm
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]...
Inside Diameter: 55mm
Outside Diameter: 65mm
Width: 30mm
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]...
Inside Diameter: 65mm
Outside Diameter: 73mm
Width: 25mm
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]...
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]...
Inside Diameter: 65mm
Outside Diameter: 75mm
Width: 30mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R45X55X40 Needle Roller Inner Race 45x55x40mm - 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]...
Inside Diameter: 45mm
Outside Diameter: 55mm
Width: 40mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R50X60X40 Needle Roller Inner Race 50x60x40mm - 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]...
Inside Diameter: 50mm
Outside Diameter: 60mm
Width: 40mm
Needle Roller Bearings
Adhesives
Lubricants
LRT506040 Needle Roller Inner Ring 50x60x40mm
| IKO LRT Inner Rings: These inner rings are heat-treated and finished by grinding to a high degree of accuracy. LRT series inner rings are economical and can be used with RNA49, RNA69, [show more]... |
Inside Diameter: 50mm
Outside Diameter: 60mm
Width: 40mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R45X52X40 Needle Roller Inner Race 45x52x40mm - 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]...
Inside Diameter: 45mm
Outside Diameter: 52mm
Width: 40mm
Needle Roller Bearings
Adhesives
Lubricants
NTN 1R60X70X28 Needle Roller Inner Race 60x70x28mm
- 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]...
Inside Diameter: 60mm
Outside Diameter: 70mm
Width: 28mm
Needle Roller Bearings
Adhesives
Lubricants
LRT708030 Needle Roller Inner Ring 70x80x30mm
| IKO LRT Inner Rings: These inner rings are heat-treated and finished by grinding to a high degree of accuracy. LRT series inner rings are economical and can be used with RNA49, RNA69, [show more]... |
Inside Diameter: 70mm
Outside Diameter: 80mm
Width: 30mm
Needle Roller Bearings
Adhesives
Lubricants
LRT708030-1 Needle Roller Inner Ring 70x80x30mm
| IKO LRT Inner Rings: These inner rings are heat-treated and finished by grinding to a high degree of accuracy. LRT series inner rings are economical and can be used with RNA49, RNA69, [show more]... |
Inside Diameter: 70mm
Outside Diameter: 80mm
Width: 30mm
Needle Roller Bearings
Adhesives
Lubricants
LRB324024 Imperial Needle Roller Inner Race 2x2-1/2x38.35
| Imperial Inner Rings:Made from carbon chromium steel are hardened and ground to their final dimensions. To facilitate the use with needle roller bearings a lead in either side of the [show more]... |
Inside Diameter: 50.8mm = 2 inch
Outside Diameter: 63.5mm = 2.5 (2-1/2) inch
Width: 38.35mm
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.

