SKF7210 CD/P4DGASuper-Precision Angular Contact Ball Bearing — 50 mm ID, 90 mm OD, 20 mm Width, 15° Contact Angle, P4A / ABEC 7, Extra Light Preload

Product Description

What this part is:

SKF 7210 CD/P4DGA super-precision single-row angular contact ball bearing, 50 x 90 x 20 mm, 15° contact angle, P4A (ABEC 7), extra light preload, universally matchable, open. Unit Quantity: 1 Pc, single bearing. Condition: New.

Decoding the designation:

72 — light dimension series for angular contact ball bearings.

10 — bore code, 50 mm bore.

C — 15° contact angle in the SKF super-precision range.

D — SKF high-capacity super-precision internal design.

P4 — super-precision tolerance class, ABEC 7, written P4A in the current catalogue.

DG — universally matchable: ground faces let any two bearings of the range be set against each other.

A — extra light preload.

Specifications:

Bore Diameter: 50 mm. Outside Diameter: 90 mm. Width: 20 mm. Contact Angle: 15°. Precision Class: ABEC 7 / P4A. Preload: Extra light. Number Of Rows: 1. Rolling Elements: Ball. Closure Type: Open. Cage Material: Phenolic. Dynamic Load Rating: 44.9 kN. Static Load Rating: 34 kN. Fatigue Load Limit: 1.43 kN. Limiting Speed: 16,000 rpm on grease and 26,000 rpm on oil. Item Weight: approx. 0.46 kg per bearing. Series: 72 (light dimension series), 7210. Harmonization Code: 8482.10.50.

Dimensions and mounting:

Bore Diameter: 50 mm. Outside Diameter: 90 mm. Width: 20 mm per bearing. Mounting Arrangement: universally matchable, any two bearings can be set DB (back-to-back), DF (face-to-face) or DT (tandem) at extra light preload.

Compatibility and replacement:

Cross-references at 15° with light preload instead of SKF extra light: FAG B7210-C-T-P4S-UL; NSK 7210CTYNSULP4; Fafnir 2MM210WI SUL. NTN 7210CG/GNP4 is the same size and angle, preload not confirmed. Current SKF catalogue designations: 7210 CD/P4ADGA, and 7210 CDGA/P4A for a single bearing of the same specification.

Frequently asked questions:

What size is the SKF 7210 CD/P4DGA?

50 mm bore, 90 mm outside diameter and 20 mm width, with a 15° contact angle.

What do P4 and DGA mean in 7210 CD/P4DGA?

P4 is the super-precision tolerance class, ABEC 7, written P4A in the current catalogue. DGA is universally matchable with extra light preload.

What are the load ratings and limiting speeds of the 7210 CD/P4DGA?

Dynamic Load Rating: 44.9 kN. Static Load Rating: 34 kN. Limiting Speed: 16,000 rpm on grease and 26,000 rpm on oil.