SKF708 ACD/P4DBBSuper-Precision Angular Contact Ball Bearings – 8 mm ID, 22 mm OD, 7 mm Width, 25° Contact Angle, Open, P4, DBB Set of Three

Product Description

What this part is:

SKF 708 ACD/P4DBB super-precision angular contact ball bearing set, 8 x 22 x 7 mm. Three pieces, a factory matched DBB set arranged back-to-back. Open on both faces, straight bore, phenolic cage, 25° contact angle. Unit Quantity: 3 Pcs.

Decoding the designation:

708 — series 70, bore code 08, 8 mm bore.

ACD — 25° contact angle, SKF super-precision design.

P4 — ISO tolerance class 4, equivalent to ABEC 7.

DBB — matched set of three bearings arranged back-to-back.

Specifications:

Bore Diameter: 8 mm.

Outside Diameter: 22 mm.

Width: 7 mm each.

Total Width: 21 mm (3 x 7 mm).

Contact Angle: 25°.

Precision Class: ABEC 7 / P4.

Cage Material: Phenolic.

Dynamic Load Rating: 3,450 N per bearing.

Static Load Rating: 1,500 N per bearing.

Limiting Speed: 67,000 rpm.

Closure Type: Open.

Bore Type: Straight.

Dimensions and mounting:

8 x 22 x 7 mm per bearing; 21 mm across the three-bearing stack. Set pieces carry orientation marks on their faces.

Compatibility and replacement:

SKF 708 ACD/P4A is the same 8 x 22 x 7 mm, 25° bearing as a single piece. SKF 708 ACD/P4ADGB is the universally matchable execution. Searchable forms: 708ACD/P4DBB, 708 ACD/P4 DBB, 708-ACD-P4-DBB, 708A.

Frequently asked questions:

What size is the SKF 708 ACD/P4DBB?

8 mm bore, 22 mm outside diameter, 7 mm width per bearing, 21 mm across the three-bearing stack.

What does DBB mean in 708 ACD/P4DBB?

DBB is a matched set of three bearings arranged back-to-back.

What contact angle does ACD mean?

ACD is the SKF code for a 25° contact angle.