SKF7004 ACDGC/P4ASuper-Precision Angular Contact Ball Bearing – 20 mm ID, 42 mm OD, 12 mm Width, Open, 25° Contact Angle, Medium Preload

Product Description

What this part is:

SKF 7004 ACDGC/P4A is a single-row super-precision angular contact ball bearing, 20 x 42 x 12 mm, open on both faces, with a 25° contact angle, universally matchable medium preload (GC) and P4A tolerance class. Unit Quantity: 1 Pc. Country of origin: Italy. The carton also carries the Fafnir marking 3MM9104WI CR SUH.

Decoding the designation:

7004 — SKF size code in the 70 series; 04 = 20 mm bore.

ACD — 25° contact angle (AC), SKF D design.

GC — universally matchable single bearing, medium preload class.

P4A — SKF super-precision tolerance class, equivalent to ABEC 7.

3MM9104WI CR — Fafnir designation on the carton: 3MM = 25° contact angle, 9104 = 20 mm bore in the 70 series, WI = low shoulder duplex form, CR = phenolic cage.

Specifications:

Bore Diameter: 20 mm. Outside Diameter: 42 mm. Overall Width: 12 mm. Contact Angle: 25°. Number Of Rows: 1. Rolling Elements: Ball. Closure Type: Open. Bore Type: Straight. Series: 70. Base Number: 7004. Preload: Medium (GC). Precision Class: P4A (ABEC 7). Cage Material: Phenolic. Cage Type: Machined, outer-ring land-riding. Dynamic Load Rating: 10,600 N. Static Load Rating: 6,700 N. Limiting Speed: 32,000 rpm.

Dimensions and mounting:

Straight bore on a cylindrical shaft seat, 20 mm bore, 42 mm outside diameter, 12 mm width. Mounting Arrangement: universally matchable; bearings of this designation combine back-to-back, face-to-face or in tandem.

Compatibility and replacement:

Fafnir 3MM9104WI CR SUH: 25°, phenolic land-riding cage, heavy preload. FAG B7004-E-T-P4S-UH: 25°, P4, universal, heavy preload. SKF 7004 ACDGA/P4A: same size and angle, extra light preload. SKF 7004 CDGC/P4A: same size, 15° contact angle, medium preload.

Frequently asked questions:

What are the dimensions of the SKF 7004 ACDGC/P4A?

Bore 20 mm, outside diameter 42 mm, width 12 mm, single row, open on both faces.

What contact angle and preload does it have?

The contact angle is 25° and the preload class is GC, medium preload, in a universally matchable execution.

What cage does it use?

A machined phenolic cage guided on the outer ring land.