Fafnir2MM9103WI MBRAngular Contact Ball Bearing – Straight Bore, 17 mm ID, 35 mm OD, 10 mm Width, Open, 15° Contact Angle, ABEC 7.

Product Description

What this part is:

Fafnir 2MM9103WI MBR super-precision angular contact spindle ball bearing made by Timken: 17 mm bore, 35 mm outside diameter, 10 mm width, 15° contact angle, machined bronze cage, open, single row, straight bore. Four individual bearings of the same designation. Unit Quantity: 4 Pcs.

Decoding the designation:

2MM — Fafnir super-precision angular contact series with a 15° contact angle; MM is the P4 precision class (ABEC 7).

9103 — 9100WI series, the ISO 7003 size, 17 x 35 x 10 mm.

WI — low shoulder on both rings.

MBR — machined bronze cage.

Specifications:

Bore Diameter: 17 mm. Outside Diameter: 35 mm. Width: 10 mm. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Cage Material: Bronze. Cage Type: Machined. Rolling Elements: Steel balls. Bore Type: Straight. Closure Type: Open. Number Of Rows: 1. Series: 9100WI. Arrangement: Single. Unit Quantity: 4 Pcs.

Dimensions and mounting:

Max Shaft Fillet Radius: 0.3 mm (0.012 in). Outer Ring To Clear Radius: 0.3 mm (0.012 in). Shaft Backing Shoulder Diameter: 21.5 mm (0.850 in). Housing Backing Shoulder Diameter: 31.1 mm (1.230 in).

Compatibility and replacement:

Cross-references: SKF 7003 CD/P4A. FAG B7003-C-T-P4S, phenolic cage. NSK 7003CTYNP4, polyamide cage. ISO size designation: 7003C. Also written 2MM9103WIMBR, 2MM9103WI-MBR and 2MM 9103 WI MBR. CAD model and data sheet: available from Timken (cad.timken.com).

Frequently asked questions:

What contact angle does the 2MM prefix give?

15°.

What cage does MBR denote?

A machined bronze cage.

What size is the 2MM9103WI MBR?

17 mm bore, 35 mm outside diameter, 10 mm width, the ISO 7003 size.