NSK7214A5TYDULP4Angular Contact Ball Bearing – 70 mm ID, 125 mm OD, 24 mm Width, Open, 25° Contact Angle, Light Preload, Matched Duplex Pair.

Product Description

What this part is:

NSK 7214A5TYDULP4 super-precision angular contact ball bearing set, 70 mm bore x 125 mm outside diameter x 24 mm width. Supplied as a universally matchable duplex pair, Unit Quantity: 2 Pcs, open on both faces. Series: 7200. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Preload: Light. Country of origin: Japan.

Decoding the designation:

7214 — ISO 72 series, bore code 14, 70 mm bore.

A5 — 25° contact angle.

TY — ball-guided cage.

DUL — duplex, universally ground set at light preload.

P4 — ISO class 4, ABEC 7.

Specifications:

Bearing Type: Angular Contact Ball Bearing. Bore Diameter: 70 mm. Outside Diameter: 125 mm. Overall Width: 24 mm. Total Width of the pair: 48 mm. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Preload: Light. Cage Type: Ball-guided. Basic Dynamic Load Rating: 95,500 N. Basic Static Load Rating: 61,500 N. Permissible Axial Load: 49,500 N. Limiting Speed: 10,000 rpm grease; 14,000 rpm oil or oil-air. Effective Load Center: 34.7 mm. Rolling Elements: Ball. Closure Type: Open.

Dimensions and mounting:

Diameter of Shaft Abutment: 79 mm minimum. Diameter of Housing Abutment: 116 mm maximum, 119 mm maximum on the opposing face. Shaft and housing fillet radii: 1.5 mm and 0.8 mm maximum. Chamfer dimensions: 1.5 mm and 1 mm minimum. Light preload: 781 N axial preload and 239 N per micron axial rigidity in a back-to-back or face-to-face mounting. Grease quantity: 6.0 g per bearing. Mass: 1.08 kg per bearing.

Compatibility and replacement:

Cross-references: SKF 7214 ACD/P4A DGA (25°, light preload set); FAG B7214-E-T-P4S-UL (25°, phenolic cage); NSK 7214C (15° contact angle). Also written 7214-A5TY-DUL-P4, 7214 A5TY DUL P4, 7214A5TY DUL P4 and 7214A5.

Frequently asked questions:

How many bearings are supplied?

Two, ground as a universally matchable duplex pair.

What contact angle and precision class does it have?

25° (A5) and ISO class 4 / ABEC 7 (P4).

What are the load ratings and speed limits?

Dynamic 95.5 kN, static 61.5 kN; limiting speed 10,000 rpm grease and 14,000 rpm oil or oil-air.