SKF Inner Ring Series: LR

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Inner rings are typically combined with needle roller and cage assemblies or drawn cup needle roller bearings in applications where the shaft cannot be hardened and ground.
Inner rings are available in two series: IR series with or without a lubrication hole and the LR series.

IR series inner rings:

are the standard inner rings for needle roller bearings
are hardened and ground
have a precision ground raceway surface with a lead-in chamfer on both sides
are available in some sizes with a lubrication hole (designation suffix IS1)

LR series inner rings:

are hardened, and the bore and raceway diameter are ground
side faces are turned and the edges are smoothed
can be used to provide a cost-effective bearing arrangement for applications where the larger run-out and width tolerances are less important

Inner diameter (mm)

Width (mm)

Outer diameter (mm)

with Lubrication hole: No

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SKF Inner Ring LR 15X18X12.5 ERIKS Item #: 23766744 Compare Compare	Price (Per piece): €9.74	{"addToCartPD":{ "item_name": "inner ring lr 15x18x12.5", "item_id": "gr0000000155680", "material_number": "23766744", "price": "9.74", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "inner ring lr 15x18x12.5", "item_id": "gr0000000155680", "material_number": "23766744", "price": "9.74", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "index": "1", "quantity": "" } }
SKF Inner Ring LR 20X25X12.5 ERIKS Item #: 24003771 Compare Compare	Price (Per piece): €10.87	{"addToCartPD":{ "item_name": "inner ring lr 20x25x12.5", "item_id": "gr0000000905648", "material_number": "24003771", "price": "10.87", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "inner ring lr 20x25x12.5", "item_id": "gr0000000905648", "material_number": "24003771", "price": "10.87", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "index": "2", "quantity": "" } }
SKF Inner Ring LR 20X25X20.5 ERIKS Item #: 24003773 Compare Compare	Please login to see prices	{"itemTrackPD":{ "item_name": "inner ring lr 20x25x20.5", "item_id": "gr0000000155681", "material_number": "24003773", "price": "0", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "index": "3", "quantity": "" } }
SKF Inner Ring LR 25X30X12.5 ERIKS Item #: 24003774 Compare Compare	Price (Per piece): €10.58	{"addToCartPD":{ "item_name": "inner ring lr 25x30x12.5", "item_id": "gr0000000160630", "material_number": "24003774", "price": "10.58", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "inner ring lr 25x30x12.5", "item_id": "gr0000000160630", "material_number": "24003774", "price": "10.58", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "index": "4", "quantity": "" } }
SKF Inner Ring LR 30X35X12.5 ERIKS Item #: 24003778 Compare Compare	Price (Per piece): €14.01	{"addToCartPD":{ "item_name": "inner ring lr 30x35x12.5", "item_id": "gr0000000155682", "material_number": "24003778", "price": "14.01", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "inner ring lr 30x35x12.5", "item_id": "gr0000000155682", "material_number": "24003778", "price": "14.01", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "index": "5", "quantity": "" } }
SKF Inner Ring LR 35X40X12.5 ERIKS Item #: 24003780 Compare Compare	Price (Per piece): €14.87	{"addToCartPD":{ "item_name": "inner ring lr 35x40x12.5", "item_id": "gr0000000160707", "material_number": "24003780", "price": "14.87", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "inner ring lr 35x40x12.5", "item_id": "gr0000000160707", "material_number": "24003780", "price": "14.87", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "index": "6", "quantity": "" } }
SKF Inner Ring LR 45X50X20.5 ERIKS Item #: 24003782 Compare Compare	Price (Per piece): €19.44	{"addToCartPD":{ "item_name": "inner ring lr 45x50x20.5", "item_id": "gr0000000156710", "material_number": "24003782", "price": "19.44", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "quantity": "" } } {"itemTrackPD":{ "item_name": "inner ring lr 45x50x20.5", "item_id": "gr0000000156710", "material_number": "24003782", "price": "19.44", "item_brand": "skf", "item_category":"bearings", "item_category2":"needle bearings", "item_category3":"needle roller bearings components", "item_category4": "pr_rc0186_0008", "item_variant": "pce", "index": "7", "quantity": "" } }