NSK7905CTDULP4Super-Precision Angular Contact Ball Bearing Duplex Pair – 25 mm ID, 42 mm OD, 9 mm Width, 15°, P4, Light Preload

Product Description

What this part is:

NSK 7905CTDULP4 super-precision angular contact ball bearings, a matched duplex pair, 25 x 42 x 9 mm each, 15° contact angle, phenolic cage, P4 precision, light preload. Sold as 2 Pcs. Unit Quantity: 2 Pcs.

Decoding the designation:

7905 — NSK 79 series, ISO 19 dimension series (also written 71905), 25 mm bore.

C — 15° contact angle.

T — phenolic resin cage.

DU — duplex set, two bearings ground as a matched pair for universal arrangement.

L — light preload.

P4 — ISO precision class 4, equivalent to ABEC 7.

Specifications:

Bearing Type: single-row angular contact ball bearing, super precision. Bore Diameter: 25 mm (0.9843 in). Outside Diameter: 42 mm. Width: 9 mm per bearing. Contact Angle: 15°. Cage Material: phenolic. Rolling Elements: steel balls. Precision Class: ABEC 7 / P4. Preload: light. Series: 71900 (ISO 19 dimension series). Number Of Rows: 1 per bearing. Unit Quantity: 2 Pcs.

Dimensions and mounting:

Width per bearing: 9 mm. Stack height of the pair: 18 mm. Matched duplex pair supplied as one set.

Compatibility and replacement:

Cross-references: NSK 71905CTDULP4 (same bearing, 71905 series form); RHP 71905CTRDULP4; NSK 7905A5 (same 25 x 42 x 9 mm size, 25° contact angle instead of 15°). Also written 7905-C-T-DUL-P4, 7905 C T DUL P4 and 7905CTDUL.

Frequently asked questions:

What are the dimensions of the NSK 7905CTDULP4?

Each bearing measures 25 mm bore, 42 mm outside diameter and 9 mm width.

What contact angle does the 7905CTDULP4 have?

15°, from the C in the designation.

What does DUL mean in 7905CTDULP4?

DU is a duplex set ground as a matched pair and L is light preload.