SNR7021HVDUJ74Super Precision Angular Contact Ball Bearing – Straight Bore, 105 mm ID, 160 mm OD, 26 mm Width, Open, 25° Contact Angle, Universal Light Preload

Product Description

What this part is:

SNR 7021HVDUJ74 single-row super-precision angular contact ball bearing, supplied as a universally ground matched pair. Unit Quantity: 2 Pcs. Brand: SNR. Manufacturer Part Number: 7021HVDUJ74. Country of Origin: France.

Decoding the designation:

7021 — ISO 70-series size, 105 x 160 x 26 mm.

H — 25° contact angle.

DU — duplex: two single-row bearings ground as a matched set.

J74 — light preload; the second digit gives ISO precision class 4 (P4, ABEC 7).

Specifications:

Bore Diameter: 105 mm. Outside Diameter: 160 mm. Width: 26 mm per bearing. Contact Angle: 25°. Number of Rows: 1 per bearing. Rolling Elements: Ball. Precision Class: ABEC 7 / P4. Preload: Light. Cage Material: Phenolic. Cage Type: Outer-ring land-riding. Closure Type: Open. Bore Type: Straight. Lubricant: Grease or oil. Series: 7000. Base Number: 7021. Harmonization Code: 8482.10.50.28.

Dimensions and mounting:

Bore Diameter: 105 mm. Outside Diameter: 160 mm. Width: 26 mm per bearing. Mounting Arrangement: universally ground matched pair.

Compatibility and replacement:

Cross-Reference 1: SKF 7021 ACD/P4ADGA. Cross-Reference 2: NSK 7021A5TYNDULP4. Cross-Reference 3: FAG 7021-E-T-DUL-P4. Cross-Reference 4: Fafnir 3MM9121WI CR DUL. All four are 25° executions on the 105 x 160 x 26 mm envelope. Other forms: 7021-H-V-DU-J74, 7021A5.

Frequently asked questions:

What size is the SNR 7021HVDUJ74?

Bore 105 mm, outside diameter 160 mm, width 26 mm per bearing.

What contact angle and preload does it have?

The H in the designation is 25° contact angle, and J74 is light preload.

What precision class is it?

ISO class 4 (P4), equal to ABEC 7, from the second digit of the J74 code.