608 Deep Groove Ball Bearings by SKF
608 Deep Groove Ball Bearings by SKF

SKF

Deep Groove Ball Bearings SKF 608

Technical data
 
Inner diameter
8 mm
Outer diameter
22 mm
Width
7 mm
Material
Standard bearing steel
Ball rows
Single row bearing
Seal
None, open bearing
Cage
Sheet steel cage
Clearance
Normal radial clearance
Running accuracy
Dimensional accuracy P6, Running accuracy P5
Current insulation
No current insulation
Bore
Cylindrical bore
Outer ring
Without flange/groove
Material of rolling elements
Standard bearing steel
Temperature range
-20 to +120 °C
Version
Explorer
Weight
0,011 kg
Scale quantity Your discount Unit price
50 0,15 € 3,23 €
100 0,33 € 3,05 €
250 0,50 € 2,88 €
500 0,68 € 2,70 €
3,38 €
inkl. MwSt, zzgl. Versandkosten

2767 ready to ship

Deep Groove Ball Bearings SKF 608
In Stock

Deep Groove Ball Bearings SKF 608

The SKF 608 deep groove ball bearing, measuring 8x22x7 mm, provides precise support for compact shafts and precision mechanical drives.

This single-row deep groove ball bearing 608 is manufactured as an open rolling bearing in the SKF Explorer design. With a bore of 8 mm, an outside diameter of 22 mm and a width of 7 mm, this miniature bearing is suitable for space-saving designs. As the component is designed without integrated sealing washers, lubricant can be applied directly. A sheet steel cage guides the rolling elements, made of bearing steel, evenly along the raceways.

What is the 608 open-type deep groove ball bearing suitable for?

Design engineers prefer to use this compact rolling bearing in clean environments where external seals or enclosed housings protect the raceways from contamination. Typical applications include compact shaft arrangements and precision mechanical systems. The bearing primarily absorbs radial forces and supports shafts even under moderate axial loads in both directions.

What characteristics do tolerance classes P6 and P5 offer for the 608 deep groove ball bearing?

The combination of dimensional accuracy P6 and running accuracy P5 defines tight manufacturing tolerances for the component. The P6 tolerance class applies to the external dimensions, whilst P5 specifies the concentricity of the rotating rings. This design ensures smooth running at high speeds and reduces vibrations in the drive. Together with the standard radial clearance, the bearing is designed for operating temperatures ranging from -20 to +120 degrees Celsius.

What are the dimensions of the 608 deep-groove ball bearing?

The bearing has an inner diameter of 8 mm, an outer diameter of 22 mm and a total width of 7 mm. These dimensions comply with the standardised miniature 608 series and allow for space-saving installation on compact shafts.

Why is the 608 deep-groove ball bearing designed as an open bearing?

The open design, which does not feature abiding sealing discs, minimises the frictional torque on the rolling elements. This enables smooth start-up and high speeds. A prerequisite for its use is a clean housing environment or a separate seal to protect against dirt and moisture.

What do the tolerance classes P6 and P5 mean for this bearing?

P6 denotes increased dimensional accuracy for external dimensions, whilst P5 defines even finer running accuracy for concentricity. This classification reduces vibrations during operation and is particularly recommended for precision-guided axes and precision-engineered shafts.

What lubricant is required for the open bearing?

For open deep-groove ball bearings, the choice of lubricant depends on the rotational speed and the load on the assembly. Greases or lubricating oils should be suitable for an operating temperature range of -20 to +120 degrees.

What makes the Explorer version from SKF stand out?

The Explorer class features advanced rolling-element bearing steels and optimised contact geometries between the balls and raceway. This design is intended to improve stress distribution within the material, thereby extending the bearing’s service life under normal operating conditions.

What is the standard radial clearance for this deep-groove ball bearing?

Normal bearing clearance refers to the standard clearance between the inner ring, outer ring and rolling elements when the bearing is in its unassembled state. This clearance compensates for operational expansion due to heating and is suitable for conventional fits on the shaft and housing.

SKF Group
Sven Wingquists Gata 2, 415 50 Gothenburg, Sweden
info@skf.com, https://www.skf.com/uk/footer/site-ownership

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