SKF7220 CDGA/P4ASuper-Precision Angular Contact Ball Bearing – 100 mm ID, 180 mm OD, 34 mm Width, Open, 15° Contact Angle, Extra Light Preload

Product Description

What this part is:

SKF 7220 CDGA/P4A (also written 7220 CD/P4A DGA) super-precision single-row angular contact ball bearing, universally matchable, extra light preload. Bore Diameter: 100 mm. Outside Diameter: 180 mm. Width: 34 mm. Contact Angle: 15°. Open on both faces. Country of Origin: Italy. GTIN: 7316570241792.

Decoding the designation:

72 — ISO 72 dimension series.

20 — bore code, 20 x 5 = 100 mm.

CD — high-capacity D design at a 15° contact angle.

DGA — universally matchable, extra light preload.

P4A — dimensional accuracy to ISO tolerance class 4 with running accuracy better than class 4, equivalent to ABEC 7.

Specifications:

Bore Diameter: 100 mm. Outside Diameter: 180 mm. Width: 34 mm. Contact Angle: 15°. Precision Class: P4A (ABEC 7). Preload: extra light (DGA). Number Of Rows: 1. Rolling Elements: ball. Closure Type: open. Bore Type: straight. Series: 72.

Dimensions and mounting:

Mounting Arrangement: universally matchable, back-to-back, face-to-face or tandem without shims or grinding. Harmonization Code: 8482.10.50.28.

Compatibility and replacement:

Same 100 x 180 x 34 mm envelope: FAG B7220-C-T-P4S-UL (P4S, UL light preload vs DGA), NSK 7220CTYNDULP4 (DUL duplex pair, light preload). Related SKF executions on the same envelope: 7220 CDGB/P4A (light preload), 7220 CDGC/P4A (medium preload), 7220 ACDGA/P4A (25° contact angle).

Frequently asked questions:

What is the contact angle of the SKF 7220 CDGA/P4A?

15°. The CD code denotes a 15° contact angle.

What size is the SKF 7220 CDGA/P4A?

100 mm bore, 180 mm outside diameter and 34 mm width.

What does DGA mean in the designation?

DGA marks a universally matchable bearing with extra light preload.