SNR71904HDUJ74Angular Contact Ball Bearing – 20 mm ID, 37 mm OD, 9 mm Width, Open, 25° Contact Angle, Light Preload.

Product Description

What this part is:

SNR 71904HDUJ74 super-precision angular contact ball bearing, single row, 20 x 37 x 9 mm, 25° contact angle, light preload, ISO Class 4 (P4). Unit Quantity: 1 Pc, one bearing.

Decoding the designation:

71904 — ISO 719 series size, 20 x 37 x 9 mm.

H — SNR code for a 25° contact angle.

J74 — light preload, ISO Class 4 precision (equivalent to ABEC 7 and P4).

-1/2PR — one bearing.

Specifications:

Bore Diameter: 20 mm. Outside Diameter: 37 mm. Overall Width: 9 mm. Contact Angle: 25°. Preload: Light. Precision Class: ISO Class 4 (P4, ABEC 7). Cage Material: Phenolic. Series: 719. Base Number: 71904. Number Of Rows: 1. Rolling Elements: Balls. Bearing Material: Bearing Steel. Closure Type: Open. Bore Type: Straight. Design Units: Metric.

Dimensions and mounting:

Single bearing, supplied preload-set rather than clearance-graded. Boundary dimensions: 20 mm bore x 37 mm outside diameter x 9 mm width.

Compatibility and replacement:

Cross-reference: SKF 71904 ACD/P4ADGA, a 25° P4 light-preload bearing on the same 20 x 37 x 9 mm envelope. MPN variants: 7904A5/ACD, 7904E T DUL P4, 7904-E-T-DUL-P4, 3MM9304WI CR DUL, 71904 H V DU J74, 71904HDUJ74-1/2PR.

Frequently asked questions:

What is the contact angle of the SNR 71904HDUJ74?

25 degrees.

What are the dimensions?

20 mm bore, 37 mm outside diameter, 9 mm width.

What precision class and preload does it carry?

ISO Class 4, equivalent to ABEC 7 and P4, with light preload.