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Bore Snap Rings
SB10 Snap Ring to Suit 10mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 10mm
Shaft Size: 10.4mm
SB12 Snap Ring to Suit 12mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 12mm
Shaft Size: 12.4mm
SB13 Snap Ring to Suit 13mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 13mm
Shaft Size: 13.5mm
SB14 Snap Ring to Suit 14mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 14mm
Shaft Size: 14.5mm
SB15 Snap Ring to Suit 15mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 15mm
Shaft Size: 15.5mm
SB16 Snap Ring to Suit 16mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 16mm
Shaft Size: 16.5mm
SB17 Snap Ring to Suit 17mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 17mm
Shaft Size: 17.5mm
SB18 Snap Ring to Suit 18mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 18mm
Shaft Size: 18.5mm
SB19 Snap Ring to Suit 19mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 19mm
Shaft Size: 19.6mm
SB20 Snap Ring to Suit 20mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 20mm
Shaft Size: 20.6mm
SB21 Snap Ring to Suit 21mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 21mm
Shaft Size: 21.6mm
SB22 Snap Ring to Suit 22mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 22mm
Shaft Size: 22.6mm
SB23 Snap Ring to Suit 23mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 23mm
Shaft Size: 23.6mm
SB24 Snap Ring to Suit 24mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 24mm
Shaft Size: 24.8mm
SB240 Snap Ring to Suit 240mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 240mm
Shaft Size: 243mm
SB25 Snap Ring to Suit 25mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 25mm
Shaft Size: 25.8mm
SB26 Snap Ring to Suit 26mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 26mm
Shaft Size: 26.8mm
SB27 Snap Ring to Suit 27mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 27mm
Shaft Size: 27.8mm
SB28 Snap Ring to Suit 28mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 28mm
Shaft Size: 28.8mm
SB29 Snap Ring to Suit 29mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 29mm
Shaft Size: 29.8mm
SB30 Snap Ring to Suit 30mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 30mm
Shaft Size: 31mm
SB32 Snap Ring to Suit 32mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 32mm
Shaft Size: 33mm
SB33 Snap Ring to Suit 33mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 33mm
Shaft Size: 34mm
SB34 Snap Ring to Suit 34mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 34mm
Shaft Size: 35mm
SB37 Snap Ring to Suit 37mm Bore
Flat Wire Snap Rings for internal bores and housings: These snap rings are designed to fit into grooves machined into a bore or housing. Once fitted into the groove the portion of the ring [show more]...
Inside Diameter: 37mm
Shaft Size: 38.2mm
Bore Snap Rings
A bore snap ring usually comprises a springy carbon steel flat wire open ring that fits into a groove in internal bores and housings. The protruding surface of the bore snap ring then serves to retain the assemblies in place. All sizes of bore snap ring in this section of our catalogue are supplied in packets of two.
We stock bore snap rings in a wide range of sizes, from 9mm bore snap rings up to rings suitable for 183mm bores. Remember that the inside diameter of a bore and that of the shaft are always slightly different; for example, a 183mm bore ring fits the 183mm inside diameter of a bore on a 187.5mm shaft. At the other end of the scale, a 9mm bore ring fits the 9mm inside diameter of a bore on a 9.5mm shaft. A guide to sizing and machining is provided under the technical tab on the individual product pages.
Our product codes are self-explanatory; for example, an SB85 is suitable for an 85mm bore. For your convenience, our product descriptions also list the equivalent compatible product codes and specifications used by other manufacturers and standard agencies; for example, the SB85 is equivalent to DIN5417, DIN 5417, CFH85, CFH-85, 2300-85, SB-85, and M2300-85.
We source our bore snap rings only from proven top-quality suppliers. The majority are made of SAE 1065 carbon steel, which is hardened to HRC 45-52.
Other types
If you require snap rings in other sizes or materials to those shown, Simply Bearings is always happy to locate the precise product you require. Other possible construction materials include stainless steel, brass, copper, zinc plated, cadmium plated, and plastic. We can also supply external snap rings for fitting over shafts and rods.
Other types of retaining rings that we can help to locate for you on request include self-locking rings that can grips shafts or housings - externally or internally - without requiring a machined groove; spiral or coiled rings; bowed rings designed to exert spring compression upon parts of the housing; rings with specific bevels to mate with complementary angles in the housing for more rigid assemblies; and two-part interlocking rings.
Take care
It is unusual for a bore snap ring to break in normal usage; however, if one does snap, the broken edge can be sharp. You should therefore take care when extracting broken rings from your shaft or housing.








