SKF7006CXP4ADGASuper-Precision Angular Contact Ball Bearing – 30 mm Bore, 55 mm OD, 13 mm Width, ABEC 7, Extra Light Preload

Product Description

What this part is

SKF 7006 super-precision single-row angular contact ball bearing, universally matchable. Bore Diameter: 30 mm. Outside Diameter: 55 mm. Overall Width: 13 mm. Precision Class: ABEC 7 / P4A. Preload: extra light (GA). Internal Clearance: N/A. Number Of Rows: 1. Rolling Elements: Ball. Bore Type: Cylindrical. Closure Type: Open. Bearing Material: Bearing steel. Series: 70. Base Number: 7006.

Decoding the designation

7006 is the ISO 70 light series at a 30 mm bore. P4A is SKF’s super-precision tolerance class, ABEC 7. GA — universally matchable, extra light preload. Full carton designation 7006-CXGA/P4A, also written 7006-CX-P4A-DGA and 7006CXGAP4A.

What these specs mean in practice

ABEC 7 / P4A holds bore, outside diameter, running accuracy and side-face runout to super-precision limits, which is what a machine tool spindle needs to keep tool position under load and at speed. Extra light preload suits positions where speed and thermal growth matter more than axial rigidity. Universally matchable rings mean any two of these can be set back-to-back, face-to-face or in tandem and the preload lands on the published class without shims or selective grinding.

Quantity and configuration

Unit Quantity: 1 Pc. One bearing per sale unit, open on both faces.

Mounting data

The 30 mm cylindrical bore seats on a plain spindle journal. Thrust passes through the high shoulder of the outer ring, so the bearing is fitted with that face toward the load. On the 7006 envelope SKF gives a shaft abutment of 34.6 mm minimum and a housing abutment of 50.4 mm maximum.

Interchange guidance

30 x 55 x 13 mm is the ISO 70-series 7006 envelope, common to every spindle-bearing maker, so the part fits any 7006 spindle and housing seat. Contact angle is what separates the executions inside that envelope. Cross-Reference 1: SKF 7006 CD/P4A, the 15° super-precision build on this envelope, a related execution. Cross-Reference 2: SKF 7006 ACD/P4A, the 25° super-precision build on this envelope, a related execution. Searchable forms: 7006-CXGA/P4A, 7006-CX-P4A-DGA, 7006CXGAP4A, 7006CX, 7006.