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All Internal Circlips
Internal Circlip for 75mm Bore Diameter Un-Sprung Diameter 79.5mm
Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be impractical to [show more]...
Bore: 75mm
Outside Diameter: 79.5mm
Material: Sprung Carbon Steel
Thickness: 2.5mm
Groove Diameter: 78mm
Circlip Pliers
Internal Circlip for 76mm Bore Diameter Un-Sprung Diameter 81.5mm
Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be impractical to [show more]...
Bore: 76mm
Outside Diameter: 81.5mm
Material: Sprung Carbon Steel
Thickness: 2.5mm
Groove Diameter: 79mm
Circlip Pliers
Internal Circlip for 77mm Bore Diameter Un-Sprung Diameter 82.5mm
Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be impractical to [show more]...
Bore: 77mm
Outside Diameter: 82.5mm
Material: Sprung Carbon Steel
Thickness: 2.5mm
Groove Diameter: 80mm
Circlip Pliers
Internal Circlip for 78mm Bore Diameter Un-Sprung Diameter 82.5mm
Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be impractical to [show more]...
Bore: 78mm
Outside Diameter: 82.5mm
Material: Sprung Carbon Steel
Thickness: 2.5mm
Groove Diameter: 81mm
Circlip Pliers
Internal Circlip for 82mm Bore Diameter Un-Sprung Diameter 87.5mm
Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be impractical to [show more]...
Bore: 82mm
Outside Diameter: 87.5mm
Material: Sprung Carbon Steel
Thickness: 2.5mm
Groove Diameter: 85.5mm
Circlip Pliers
Internal Circlip for 98mm Bore Diameter Un-Sprung Diameter 103.5mm
Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be impractical to [show more]...
Bore: 98mm
Outside Diameter: 103.5mm
Material: Sprung Carbon Steel
Thickness: 3mm
Groove Diameter: 101.5mm
Circlip Pliers
Stainless Internal Circlip for 29mm Bore Diameter Un-Sprung Dia 31.1mm
| Stainless Steel Internal Circlips: The most common form of axially fitted circlips for bores with grooves. The circlip has a large free diameter and gap width, consequently it fits [show more]... |
Bore: 29mm
Outside Diameter: 31.1mm
Material: Stainless Steel
Thickness: 1.2mm
Groove Diameter: 30.4mm
Circlip Pliers
Stainless Internal Circlip for 33mm Bore Diameter Un-Sprung Dia 35.5mm
| Stainless Steel Internal Circlips: The most common form of axially fitted circlips for bores with grooves. The circlip has a large free diameter and gap width, consequently it fits [show more]... |
Bore: 33mm
Outside Diameter: 35.5mm
Material: Stainless Steel
Thickness: 1.2mm
Groove Diameter: 34.7mm
Circlip Pliers
Stainless Internal Circlip for 40mm Bore Diameter Un-Sprung Dia 43.5mm
| Stainless Steel Internal Circlips: The most common form of axially fitted circlips for bores with grooves. The circlip has a large free diameter and gap width, consequently it fits [show more]... |
Bore: 40mm
Outside Diameter: 43.5mm
Material: Stainless Steel
Thickness: 1.75mm
Groove Diameter: 42.5mm
Circlip Pliers
Stainless Internal Circlip for 47mm Bore Diameter Un-Sprung Dia 50.5mm
| Stainless Steel Internal Circlips: The most common form of axially fitted circlips for bores with grooves. The circlip has a large free diameter and gap width, consequently it fits [show more]... |
Bore: 47mm
Outside Diameter: 50.5mm
Material: Stainless Steel
Thickness: 1.75mm
Groove Diameter: 49.5mm
Circlip Pliers
Stainless Steel Internal Circlip for 0.50 inch Bore Diameter Un-Sprung Diameter 0.548 inch
| Stainless Steel Imperial Internal Circlips: The most common form of axially fitted circlips for bores with grooves. The circlip has a large free diameter and gap width, consequently it [show more]... |
Bore: 12.7mm = 0.5 (1/2) inch
Outside Diameter: 13.92mm = 0.548 inch
Material: Stainless Steel
Thickness: 0.89mm = 0.035 inch
Groove Diameter: 13.46mm = 0.53 inch
Circlip Pliers
Internal Circlip for 1.02 inch Bore Diameter Un-Sprung Diameter 1.136 inch
Imperial Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be [show more]...
Bore: 25.98mm = 1.023 inch
Outside Diameter: 28.85mm = 1.136 inch
Material: Sprung Carbon Steel
Thickness: 1.07mm = 0.042 inch
Groove Diameter: 27.71mm = 1.091 inch
Circlip Pliers
Internal Circlip for 132mm Bore Diameter Un-Sprung Diameter 139mm
Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be impractical to [show more]...
Bore: 132mm
Outside Diameter: 139mm
Material: Sprung Carbon Steel
Thickness: 4mm
Groove Diameter: 136mm
Circlip Pliers
Internal Circlip for 2.06 inch Bore Diameter Un-Sprung Diameter 2.280 inch
Imperial Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be [show more]...
Bore: 52.39mm = 2.062 (2-1/16) inch
Outside Diameter: 57.91mm = 2.28 inch
Material: Sprung Carbon Steel
Thickness: 1.98mm = 0.078 (5/64) inch
Groove Diameter: 55.52mm = 2.186 inch
Circlip Pliers
Internal Circlip for 2.12 inch Bore Diameter Un-Sprung Diameter 2.350 inch
Imperial Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be [show more]...
Bore: 53.98mm = 2.125 (2-1/8) inch
Outside Diameter: 59.69mm = 2.35 inch
Material: Sprung Carbon Steel
Thickness: 1.98mm = 0.078 (5/64) inch
Groove Diameter: 57.18mm = 2.251 inch
Circlip Pliers
Internal Circlip for 3.25 inch Bore Diameter Un-Sprung Diameter 3.623 inch
Imperial Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be [show more]...
Bore: 82.55mm = 3.25 (3-1/4) inch
Outside Diameter: 92.02mm = 3.623 inch
Material: Sprung Carbon Steel
Thickness: 2.78mm = 0.109 (7/64) inch
Groove Diameter: 87.53mm = 3.446 inch
Circlip Pliers
Internal Circlip for 52mm Bore Diameter Un-Sprung Diameter 56.2mm
Heavy Duty Internal Circlips: The most common form of axially fitted circlips for bores with grooves.
A Heavy Duty External Circlip is known for its larger thickness of that of a standard [show more]...
Bore: 52mm
Outside Diameter: 56.2mm
Material: Sprung Carbon Steel
Thickness: 2.50mm
Groove Diameter: 55mm
Circlip Pliers
Internal Circlip for 85mm Bore Diameter Un-Sprung Diameter 90.5mm
Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be impractical to [show more]...
Bore: 85mm
Outside Diameter: 90.5mm
Material: Sprung Carbon Steel
Thickness: 3mm
Groove Diameter: 88.5mm
Circlip Pliers
Internal Circlip for 88mm Bore Diameter Un-Sprung Diameter 93.5mm
Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be impractical to [show more]...
Bore: 88mm
Outside Diameter: 93.5mm
Material: Sprung Carbon Steel
Thickness: 3mm
Groove Diameter: 91.5mm
Circlip Pliers
Internal Circlip for 92mm Bore Diameter Un-Sprung Diameter 97.5mm
Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be impractical to [show more]...
Bore: 92mm
Outside Diameter: 97.5mm
Material: Sprung Carbon Steel
Thickness: 3mm
Groove Diameter: 95.5mm
Circlip Pliers
Internal Circlip for 95mm Bore Diameter Un-Sprung Diameter 100.5mm
Internal Circlips: The most common form of axially fitted circlips for bores with pre-machined grooves.
These clips serve as retainers for items such as bearings where it may be impractical to [show more]...
Bore: 95mm
Outside Diameter: 100.5mm
Material: Sprung Carbon Steel
Thickness: 3mm
Groove Diameter: 98.5mm
Circlip Pliers
Stainless Internal Circlip for 31mm Bore Diameter Un-Sprung Dia 33.4mm
| Stainless Steel Internal Circlips: The most common form of axially fitted circlips for bores with grooves. The circlip has a large free diameter and gap width, consequently it fits [show more]... |
Bore: 31mm
Outside Diameter: 33.4mm
Material: Stainless Steel
Thickness: 1.2mm
Groove Diameter: 32.7mm
Circlip Pliers
Stainless Internal Circlip for 36mm Bore Diameter Un-Sprung Dia 38.8mm
| Stainless Steel Internal Circlips: The most common form of axially fitted circlips for bores with grooves. The circlip has a large free diameter and gap width, consequently it fits [show more]... |
Bore: 36mm
Outside Diameter: 38.8mm
Material: Stainless Steel
Thickness: 1.5mm
Groove Diameter: 38mm
Circlip Pliers
Stainless Internal Circlip for 62mm Bore Diameter Un-Sprung Dia 66.2mm
| Stainless Steel Internal Circlips: The most common form of axially fitted circlips for bores with grooves. The circlip has a large free diameter and gap width, consequently it fits [show more]... |
Bore: 62mm
Outside Diameter: 66.2mm
Material: Stainless Steel
Thickness: 2mm
Groove Diameter: 65mm
Circlip Pliers
Stainless Steel Internal Circlip for 0.25 inch Bore Diameter Un-Sprung Diameter 0.280 inch
| Stainless Steel Imperial Internal Circlips: The most common form of axially fitted circlips for bores with grooves. The circlip has a large free diameter and gap width, consequently it [show more]... |
Bore: 6.35mm = 0.25 (1/4) inch
Outside Diameter: 7.11mm = 0.28 inch
Material: Stainless Steel
Thickness: 0.38mm = 0.015 inch
Groove Diameter: 6.81mm = 0.268 inch
Circlip Pliers
All Internal Circlips
At Simply Bearings, we are proud of our reputation as one of the UK's leading suppliers of new and replacement components for use across a huge variety of industrial, commercial and domestic applications. Our selection of internal circlips provides the extensive range of component sizes and options that we know you expect from us. They are stocked in our state-of-the-art warehouse with 20,000 sq. ft. of storage space, and we are absolutely confident that we can provide the precise part to meet your requirements.
Ubiquitous and essential components, circlips are a form of retaining ring consisting of a simple, partially flexible metal ring with open ends. Almost any operation involving a pivoting, turning or spinning part will rely on a circlip to fasten the assembly. They function as a load-bearing shoulder, holding mechanical parts in position. Therefore they are commonly found in pistons, turbines and motors.
Circlips are broken down into two main categories - internal and external. Both forms are usually manufactured from carbon spring steel or stainless steel to protect against corrosion, although other metals, such as copper, are used for specialist applications. The clip itself slots into a groove either on the exterior of a shaft or its interior bore, thus providing a constant radial force secured in spite of high-speed rotations due to the retainer groove.
Internal circlips are installed inside the bore of a cylindrical shaft and push outwards. Installation usually requires a special type of plier which attaches to holes in the ends of the clip, allowing the fitter to very easily squeeze and contract the clip to achieve sufficient clearance to position it effectively. This force generated by the spring tension of the clip is what allows them to fit so securely and reliably inside a cylindrical assembly. Importantly, the diameter and thickness of the clip affect the amount of spring pressure generated.
Our comprehensive stock of circlips covers diameters ranging from just 8mm and thicknesses of 0.8mm, all the way up to diameters of 300mm with thicknesses of 5mm. We offer a huge variety of dimensions in between these two extremes, so to make it easier for you to locate the precise technical specifications that you seek, please use the drop-down menus to specify your requirements.
As well as the diameter and thickness of the circlip, the amount of free space between the two open ends also affects the performance and suitability of the clip for particular applications. A high unstressed diameter and large gap width lead to clips which fit more snugly in the groove, generating higher and more uniform capacity for thrust load-bearing.








