Fafnir3MM9115WI CR DULSuper Precision Angular Contact Ball Bearing – 75 mm ID, 115 mm OD, 20 mm Width, Open, 25° Contact Angle, Light Preload, ABEC 7 / P4

Product Description

What this part is:

Fafnir 3MM9115WI-DUL matched duplex pair of super precision angular contact spindle ball bearings from Timken, 75 x 115 x 20 mm each, 40 mm total width, 25° contact angle, light preload, open. Unit Quantity: 2 Pcs.

Decoding the designation:

3MM — Fafnir super precision angular contact series with a 25° contact angle, P4 precision.

9115 — 9100WI series, ISO 7015 size; bore code 15, multiplied by five to give a 75 mm bore.

WI — low shoulder on both rings, the duplex form.

CR — phenolic cage.

DU — duplex set.

L — light preload.

Specifications:

Bore Diameter: 75 mm. Outside Diameter: 115 mm. Width: 20 mm per bearing. Total Width: 40 mm (duplex pair). Series: 9100WI. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Preload: light. Cage Material: phenolic. Rolling Elements: steel balls. Closure Type: open. Dynamic Load Rating (C1, 1 million revolutions): 48,900 N (11,000 lbf) per bearing. Static Load Rating: 41,200 N (9,260 lbf) per bearing. Limiting Speed: 11,000 rpm grease; 19,800 rpm oil. Item Weight: 1.276 kg (2.82 lb) for the pair. GTIN: 0087796072817.

Dimensions and mounting:

Maximum Fillet Radius on Mating Part: 1 mm (0.039 in). Shaft Backing Shoulder Diameter: 82.7 mm (3.260 in). Housing Backing Shoulder Diameter: 107.3 mm (4.230 in). Bore Type: straight.

Compatibility and replacement:

Cross-Reference 1: Timken 7015E-T-P4S-DUL. Cross-Reference 2: FAG B7015-E-T-P4S-UL. Cross-Reference 3: SKF 7015 ACDGA/P4A, a single bearing. Cross-Reference 4: NSK 7015A5TYNDULP4, polyamide cage. Searchable variants of the number: 3MM9115WIDUL, 3MM9115WI-DUL, 3MM 9115 WI CR DUL, 7015A. CAD model and data sheet: available from Timken (cad.timken.com).

Frequently asked questions:

What are the dimensions of the Fafnir 3MM9115WI-DUL?

Each bearing measures 75 mm bore, 115 mm outside diameter and 20 mm width; the duplex pair stacks to 40 mm.

What do DU and L mean in 3MM9115WI-DUL?

DU is a duplex set and L is light preload.

What are the load ratings and speed limits of the 3MM9115WI-DUL?

Dynamic Load Rating 48,900 N and Static Load Rating 41,200 N per bearing. Limiting Speed is 11,000 rpm on grease and 19,800 rpm on oil.