SKF71928 CD/P4ADGASuper-Precision Angular Contact Ball Bearing – 140 mm ID, 190 mm OD, 24 mm Width, Open, 15° Contact Angle, Extra Light Preload

Product Description

What this part is:

SKF 71928 CD/P4ADGA single-row super-precision angular contact ball bearing, also written 71928 CDGA/P4A. 719 extra-light series, open, 15° contact angle, universally matchable with extra light preload, P4A precision.

Decoding the designation:

71928 — SKF 719 extra-light series, bore code 28 = 140 mm bore.

CD — high-capacity design, 15° contact angle.

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

DGA — universally matchable, extra light preload.

Specifications:

Bore Diameter: 140 mm. Outside Diameter: 190 mm. Overall Width: 24 mm. Contact Angle: 15°. Number of Rows: 1. Closure Type: Open. Bore Type: Straight. Preload: Extra light (DGA). Precision Class: P4A / ABEC 7. Cage Material: Phenolic. Harmonization Code: 8482.10.50.

Dimensions and mounting:

The envelope is 140 x 190 x 24 mm with a straight bore. Bearings of this designation combine back-to-back, face-to-face or in tandem without shims or grinding; the preload of the arrangement follows from the DGA class.

Compatibility and replacement:

Cross-references: NSK 7928CTDULP4; SKF 71928 CDGB/P4A (light preload); SKF 71928 CDGC/P4A (medium preload); SKF 71928 ACDGA/P4A (25° vs 15°). Short forms in trade use: 71928CDP4ADGA, 71928CDGAP4A and 7928.

Frequently asked questions:

What is the contact angle of the SKF 71928 CD/P4ADGA?

15°; CD is SKF’s 15° high-capacity design.

What does DGA mean?

Universally matchable bearing with extra light preload; DGB is light and DGC is medium.

What are the bore, outside diameter and width?

Bore 140 mm, outside diameter 190 mm, width 24 mm.