Nachi7205CDB/GLP5Angular Contact Ball Bearing — 25 mm ID, 52 mm OD, 15 mm Width, 15° Contact Angle, ABEC 5, DB Pair

Product Description

What this part is:

Nachi 7205CDB/GLP5 is a back-to-back (DB) matched pair of single-row angular contact ball bearings, ISO 72 series, with a 25 mm bore, 52 mm outside diameter and 15 mm width per bearing. Contact angle 15°, precision class ABEC 5 / P5. Supplied as 2 Pcs, one matched DB pair.

Decoding the designation:

7205 — ISO 72 series, 25 mm bore.

C — 15° contact angle.

DB — duplex back-to-back pair; the contact lines diverge, giving high moment stiffness and axial support in both directions.

P5 — ISO class 5 precision, ABEC 5.

Specifications:

Bore Diameter: 25 mm. Outside Diameter: 52 mm. Width: 15 mm per bearing, 30 mm per pair. Contact Angle: 15°. Precision Class: ABEC 5 / P5. Dynamic Load Rating: 27,100 N per DB pair (16,700 N single bearing). Static Load Rating: 20,700 N per DB pair (10,300 N single bearing). Limiting Speed: 17,000 rpm grease; 23,000 rpm oil for the duplex set. Item Weight: 0.135 kg (0.30 lb) per bearing. Unit Quantity: 2 Pcs.

Dimensions and mounting:

Shaft Abutment Diameter: 31 mm min. Housing Abutment Diameter: 46 mm max. Fillet Radius: 1 mm max. Closure Type: Open. Mounting Arrangement: Back-to-back (DB) matched pair.

Compatibility and replacement:

Cross-references in a DB pair: NSK 7205CDBP5, Koyo 7205CDBP5, NTN 7205CDB/P5. Also written 7205CDBGLP5, 7205-C-DB-GL-P5 and 7205 C DB GL P5. Ratings are from the Nachi catalogue Angular Contact Ball Bearings, Single Mounting / Duplex Mounting.

Frequently asked questions:

What size is the Nachi 7205CDB/GLP5?

Each bearing has a 25 mm bore, 52 mm outside diameter and 15 mm width; the back-to-back pair is 30 mm wide.

What are the load ratings of the pair?

Dynamic 27,100 N and static 20,700 N per DB pair; a single bearing is 16,700 N and 10,300 N.

What do C and P5 mean in the designation?

C is a 15° contact angle and P5 is ISO class 5 precision, equal to ABEC 5.