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Needle Roller Inner Rings
Budget Needle Roller Inner Ring IR45x50x25.5mm
| 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]... |
Inside Diameter: 45mm
Outside Diameter: 50mm
Width: 25.5mm
Budget Needle Roller Inner Ring IR35x40x20mm
| 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: 35mm
Outside Diameter: 40mm
Width: 20mm
Major Brand Needle Roller Inner Ring LR8x12x12.5mm
LR Series Inner Rings : Made from carbon chromium steel and hardened. The bore and outside diameter are ground, however the sides are not ground and the edges are only smoothed. Used [show more]... |
Inside Diameter: 8mm
Outside Diameter: 12mm
Width: 12.5mm
LRT303516 Needle Roller Inner Ring 30x35x16mm
| 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: 30mm
Outside Diameter: 35mm
Width: 16mm
Needle Roller Bearings
Adhesives
Lubricants
IRT1010-1 Needle Roller Inner Race 10x15x10.5mm
| 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: 10mm
Outside Diameter: 15mm
Width: 10.5mm
IRT1012 Needle Roller Inner Race 10x13x12.5mm
| 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: 10mm
Outside Diameter: 13mm
Width: 12.5mm
IRT1512 Needle Roller Inner Race 15x18x12.5mm
| 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: 15mm
Outside Diameter: 18mm
Width: 12.5mm
IRT710 Needle Roller Inner Race 7x10x10.5mm
| 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: 7mm
Outside Diameter: 10mm
Width: 10.5mm
IRT712 Needle Roller Inner Race 7x10x12.5mm
| 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: 7mm
Outside Diameter: 10mm
Width: 12.5mm
IRT715 Needle Roller Inner Race 7x10x15.5mm
| 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: 7mm
Outside Diameter: 10mm
Width: 15.5mm
IRT815 Needle Roller Inner Race 8x12x15.5mm
| 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: 8mm
Outside Diameter: 12mm
Width: 15.5mm
Budget Needle Roller Inner Ring IR22x28x30mm
| 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: 22mm
Outside Diameter: 28mm
Width: 30mm
Major Brand Needle Roller Inner Ring IR8x10x11mm
| 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: 8mm
Outside Diameter: 10mm
Width: 11mm
IRB108 Imperial Inner Race 5/8x7/8x12.95
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]... |
Inside Diameter: 15.88mm = 0.625 (5/8) inch
Outside Diameter: 22.23mm = 0.875 (7/8) inch
Width: 12.95mm
IRB712 Imperial Inner Race 7/16x5/8x19.3
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]... |
Inside Diameter: 11.11mm = 0.437 (7/16) inch
Outside Diameter: 15.88mm = 0.625 (5/8) inch
Width: 19.3mm
IRB88 Imperial Inner Race 1/2x11/16x12.95
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]... |
Inside Diameter: 12.7mm = 0.5 (1/2) inch
Outside Diameter: 17.46mm = 0.687 (11/16) inch
Width: 12.95mm
IRB88-1 Imperial Inner Race 1/2x3/4x12.95
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]... |
Inside Diameter: 12.7mm = 0.5 (1/2) inch
Outside Diameter: 19.05mm = 0.75 (3/4) inch
Width: 12.95mm
IRB98 Imperial Inner Race 9/16x13/16x12.95
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]... |
Inside Diameter: 14.29mm = 0.563 (9/16) inch
Outside Diameter: 20.64mm = 0.813 (13/16) inch
Width: 12.95mm
Budget Needle Roller Inner Ring IRZ35x42x21IS1mm
| 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]... |
Inside Diameter: 35mm
Outside Diameter: 42mm
Width: 21mm
Budget Needle Roller Inner Ring IR25x30x30mm
| 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: 25mm
Outside Diameter: 30mm
Width: 30mm
Budget Needle Roller Inner Ring IR32x40x20mm
| 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: 32mm
Outside Diameter: 40mm
Width: 20mm
Budget Needle Roller Inner Ring IR42x47x20mm
| 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: 42mm
Outside Diameter: 47mm
Width: 20mm
Budget Needle Roller Inner Ring IRZ30x35x18IS1mm
| 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]... |
Inside Diameter: 30mm
Outside Diameter: 35mm
Width: 18mm
Budget Needle Roller Inner Ring IR17x20x30.5mm
| 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]... |
Inside Diameter: 17mm
Outside Diameter: 20mm
Width: 30.5mm
Budget Needle Roller Inner Ring IR30x35x20mm
| 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: 30mm
Outside Diameter: 35mm
Width: 20mm
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.







