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Needle Roller Inner Rings
IRB128 Imperial Inner Race 3/4x1x12.95
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: 19.05mm = 0.75 (3/4) inch
Outside Diameter: 25.4mm = 1 inch
Width: 12.95mm
IRB810-1 Imperial Inner Race 1/2x3/4x16.125
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: 16.125mm
LRTZ152024 Needle Roller Inner Race 15x20x24mm
| 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: 15mm
Outside Diameter: 20mm
Width: 24mm
LRTZ172214 Needle Roller Inner Race 17x22x14mm
| 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: 17mm
Outside Diameter: 22mm
Width: 14mm
LRTZ222818 Needle Roller Inner Race 22x28x18mm
| 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: 22mm
Outside Diameter: 28mm
Width: 18mm
LRTZ253018 Needle Roller Inner Race 25x30x18mm
| 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: 25mm
Outside Diameter: 30mm
Width: 18mm
LRT303517 Needle Roller Inner Ring 30x35x17mm
| 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: 17mm
Needle Roller Bearings
Adhesives
Lubricants
Budget Needle Roller Inner Ring IR30x35x20.5mm
| 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: 30mm
Outside Diameter: 35mm
Width: 20.5mm
IRB910 Imperial Inner Race 9/16x13/16x16.125
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: 16.125mm
LRT152023 Needle Roller Inner Ring 15x20x23mm
| 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: 15mm
Outside Diameter: 20mm
Width: 23mm
Needle Roller Bearings
Adhesives
Lubricants
Budget Needle Roller Inner Ring IR25x30x32mm
| 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: 32mm
Major Brand Needle Roller Inner Ring LR12x15x12.5mm
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: 12mm
Outside Diameter: 15mm
Width: 12.5mm
Major Brand Needle Roller Inner Ring LR8x12x10.5mm
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: 10.5mm
Budget Needle Roller Inner Ring IR40x45x17mm
| 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: 40mm
Outside Diameter: 45mm
Width: 17mm
Budget Needle Roller Inner Ring IR35x43x22mm
| 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: 43mm
Width: 22mm
Budget Needle Roller Inner Ring IR17x22x23mm
| 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: 22mm
Width: 23mm
IRB612 Imperial Inner Race 3/8x9/16x19.3
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: 9.53mm = 0.375 (3/8) inch
Outside Diameter: 14.29mm = 0.563 (9/16) inch
Width: 19.3mm
IRB714 Imperial Inner Race 7/16x5/8x22.475
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: 22.475mm
IRB812-1 Imperial Inner Race 1/2x3/4x19.3
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]... |
Inside Diameter: 12.7mm = 0.5 (1/2) inch
Outside Diameter: 19.05mm = 0.75 (3/4) inch
Width: 19.3mm
IRB814-1 Imperial Inner Race 1/2x3/4x22.475
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: 22.475mm
IRB912 Imperial Inner Race 9/16x13/16x19.3
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: 14.29mm = 0.563 (9/16) inch
Outside Diameter: 20.64mm = 0.813 (13/16) inch
Width: 19.3mm
LRT202516 Needle Roller Inner Ring 20x25x16mm
| 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: 20mm
Outside Diameter: 25mm
Width: 16mm
Needle Roller Bearings
Adhesives
Lubricants
LRT202525 Needle Roller Inner Ring 20x25x25.5mm
| 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: 20mm
Outside Diameter: 25mm
Width: 25.5mm
Needle Roller Bearings
Adhesives
Lubricants
Budget Needle Roller Inner Ring LR17x20x16.5mm
Budget 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. [show more]... |
Inside Diameter: 17mm
Outside Diameter: 20mm
Width: 16.5mm
LRTZ202525 Needle Roller Inner Race 20x25x25.5mm
| Inner Rings: Made from carbon chromium steel are hardened and ground to their final dimensions. To facilitate the use with needle roller bearings a small lead chamfer on either side of [show more]... |
Inside Diameter: 20mm
Outside Diameter: 25mm
Width: 25.5mm
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.







