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Needle Roller Inner Rings
Major Brand Needle Roller Inner Ring IR360x390x80mm
| 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: 360mm
Outside Diameter: 390mm
Width: 80mm
Major Brand Needle Roller Inner Ring IR340x370x80mm
| 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: 340mm
Outside Diameter: 370mm
Width: 80mm
IRT2830 Needle Roller Inner Race 28x32x30.5mm
| 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]... |
Limited Stock
Limited Availability
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Inside Diameter: 28mm
Outside Diameter: 32mm
Width: 30.5mm
Budget Needle Roller Inner Ring IR340x370x80mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 340mm
Outside Diameter: 370mm
Width: 80mm
Budget Needle Roller Inner Ring IR360x390x80mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 360mm
Outside Diameter: 390mm
Width: 80mm
Budget Needle Roller Inner Ring IR380x415x100mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 380mm
Outside Diameter: 415mm
Width: 100mm
Budget Needle Roller Inner Ring IR42x47x16mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 42mm
Outside Diameter: 47mm
Width: 16mm
Budget Needle Roller Inner Ring IRZ20x25x18IS1mm
| Budget 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 [show more]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 20mm
Outside Diameter: 25mm
Width: 18mm
IRB106 Imperial Inner Race 5/8x7/8x9.775
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 in either side of the [show more]... |
Limited Stock
Limited Availability
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Inside Diameter: 15.88mm = 0.625 (5/8) inch
Outside Diameter: 22.23mm = 0.875 (7/8) inch
Width: 9.775mm
IRB2316 Imperial Inner Race 1-7/16x1-3/4x25.65
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 in either side of the [show more]... |
Limited Stock
Limited Availability
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Inside Diameter: 36.51mm = 1.437 (1-7/16) inch
Outside Diameter: 44.45mm = 1.75 (1-3/4) inch
Width: 25.65mm
IRB2412 Imperial Inner Race 1-1/2x1-3/4x19.3
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 in either side of the [show more]... |
Limited Stock
Limited Availability
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Inside Diameter: 38.1mm = 1.5 (1-1/2) inch
Outside Diameter: 44.45mm = 1.75 (1-3/4) inch
Width: 19.3mm
IRB2720 Imperial Inner Race 1-11/16x2x32
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 in either side of the [show more]... |
Limited Stock
Limited Availability
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Inside Diameter: 42.86mm = 1.687 (1-11/16) inch
Outside Diameter: 50.8mm = 2 inch
Width: 32mm
IRB58 Imperial Inner Race 5/16x1/2x12.95
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 in either side of the [show more]... |
Limited Stock
Limited Availability
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Inside Diameter: 7.93mm = 0.312 (5/16) inch
Outside Diameter: 12.7mm = 0.5 (1/2) inch
Width: 12.95mm
IRB612-1 Imperial Inner Race 3/8x5/8x19.3
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 in either side of the [show more]... |
Limited Stock
Limited Availability
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Inside Diameter: 9.53mm = 0.375 (3/8) inch
Outside Diameter: 15.88mm = 0.625 (5/8) inch
Width: 19.3mm
IRT1010-1 Budget Shaft Sleeve 10x15x10.5mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 10mm
Outside Diameter: 15mm
Width: 10.5mm
IRT1012 Budget Shaft Sleeve 10x13x12.5mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 10mm
Outside Diameter: 13mm
Width: 12.5mm
IRT1012-1 Budget Shaft Sleeve 10x15x12.5mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 10mm
Outside Diameter: 15mm
Width: 12.5mm
IRT1012-2 Budget Shaft Sleeve 10x14x12.5mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 10mm
Outside Diameter: 14mm
Width: 12.5mm
IRT1015-1 Budget Shaft Sleeve 10x15x15.5mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 10mm
Outside Diameter: 15mm
Width: 15.5mm
IRT1016-2 Budget Shaft Sleeve 10x14x16.5mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 10mm
Outside Diameter: 14mm
Width: 16.5mm
IRT1020-1 Budget Shaft Sleeve 10x15x20.5mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 10mm
Outside Diameter: 15mm
Width: 20.5mm
IRT1020-2 Budget Shaft Sleeve 10x14x20.5mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 10mm
Outside Diameter: 14mm
Width: 20.5mm
IRT1025-1 Budget Shaft Sleeve 10x15x25.5mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 10mm
Outside Diameter: 15mm
Width: 25.5mm
IRT1212 Budget Shaft Sleeve 12x15x12.5mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 12mm
Outside Diameter: 15mm
Width: 12.5mm
IRT1212-1 Budget Shaft Sleeve 12x16x12.5mm
| 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]... |
Limited Stock
Limited Availability
Please Enquire
Inside Diameter: 12mm
Outside Diameter: 16mm
Width: 12.5mm
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.








