SKF7217 ACDGA/P4ASuper-Precision Angular Contact Ball Bearing – 85 mm ID, 150 mm OD, 28 mm Width, Open, 25° Contact Angle, Extra Light Preload, Machined Phenolic Cage, P4A

Product Description

What this part is:

SKF 7217 ACDGA/P4A super-precision single-row angular contact ball bearing, universally matchable single, open on both faces. Unit Quantity: 1 Pc. Bore Diameter: 85 mm. Outside Diameter: 150 mm. Width: 28 mm. It carries radial and axial load simultaneously, with the axial component taken in one direction.

Decoding the designation:

7217 — 72 series, bore code 17, 85 mm bore.

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

GA — universally matchable, extra light preload; units can be set back-to-back, face-to-face or in tandem.

P4A — SKF super-precision dimensional and running accuracy class, ABEC 7.

Specifications:

Contact Angle: 25°. Preload: Extra light. Precision Class: P4A (ABEC 7). Dynamic Load Rating: 95,600 N. Static Load Rating: 85,000 N. Limiting Speed: 8,000 rpm grease; 13,000 rpm oil. Cage Material: Phenolic (fabric-base laminate). Cage Type: machined, outer-ring guided. Rolling Elements: 17 chrome steel balls, 19.05 mm diameter. Bearing Material: chrome steel. Closure Type: Open, both faces. Item Weight: 1.86 kg (4.10 lb). Series: 7200.

Dimensions and mounting:

Bore Diameter: 85 mm (3.3465 in). Outside Diameter: 150 mm (5.9055 in). Width: 28 mm (1.1024 in). Bore Tolerance: −0.008 to 0 mm. Outside Diameter Tolerance: −0.009 to 0 mm.

Compatibility and replacement:

Cross-references: SKF 7217 ACD/P4A DGA (same bearing, suffix order reversed); Fafnir 3MM217WI (25°, different suffix scheme); NSK 7217A5 (25°, different suffix scheme); SKF 7217 ACDGB/P4A (light preload, not extra light); SKF 7217 CDGA/P4A (15° contact angle). The same bearing is written 7217ACDGA/P4A, 7217-ACDGA/P4A, 7217-ACD-GA-P4A and 7217 ACD/P4A DGA.

Frequently asked questions:

What are the dimensions of the SKF 7217 ACDGA/P4A?

Bore 85 mm, outside diameter 150 mm, width 28 mm.

What contact angle and preload does it have?

A 25° contact angle (ACD) with extra light preload (GA); it is a universally matchable single bearing.

What are its load ratings and limiting speeds?

Dynamic load rating 95,600 N and static load rating 85,000 N; limiting speed 8,000 rpm on grease and 13,000 rpm on oil.