FafnirAngular Contact Ball Bearing – Straight Bore, 60 mm ID, 95 mm OD, 18 mm Width, Open, 25° Contact Angle, Light Preload.

Product Description

What this part is

Fafnir 3MM9112WI-SUL super-precision angular contact spindle ball bearing, built by The Timken Company. Series: 9100WI. Bore: 60 mm. Outside Diameter: 95 mm. Bearing Width: 18 mm. Total Width: 18 mm. Contact Angle: 25°. Precision Rating: ISO P4S (ABEC 7/9). Preload: Light. Cage Type: CR – Phenolic Outer Land Riding Cage. Cage Material: Phenolic. Rolling Elements: steel balls. Bore Type: Straight. Closure Type: Open. Number Of Rows: 1. Design Units: Metric. Snap ring included: No. Timken’s world part number for this bearing is 7012E-T-P4S-SUL.

Decoding the designation

The 3MM prefix gives a 25° contact angle and ISO P4S accuracy. 9112 in the 9100WI series is the ISO 7012 envelope. WI denotes a low shoulder on both rings. CR is the phenolic outer-land-riding cage. SU marks a single universally ground bearing, and the trailing L sets light preload.

Load and speed ratings

Dynamic Radial Load Rating (C1): 36,900 N (8,290 lbf). C1 ISO Dynamic Radial Rating per row: 33,500 N (7,540 lbf). Static Radial Load Rating (C0): 29,100 N (6,550 lbf). Limiting Speed – Grease: 13,500 rpm. Limiting Speed – Oil: 24,400 rpm. Contact Angle: 25°. Preload: Light.

Quantity and configuration

Unit Quantity: 1 Pc. Arrangement / Configuration: Single universally ground. Rows per Set: Single. Universal grinding means any two of these bearings mount together as a matched set in any orientation and arrive at the published preload.

Mounting data

Max Shaft Fillet Radius: 1 mm (0.039 in). Outer Ring To Clear Radius: 1 mm (0.039 in). Shaft Backing Shoulder Diameter: 67.3 mm (2.650 in). Housing Backing Shoulder Diameter: 88.1 mm (3.470 in).

Interchange guidance

Cross-references: 7012E-T-P4S-SUL, SKF 7012 ACDGA/P4A, FAG B7012-E-T-P4S-UL, NSK 7012A5TYNSULP4. Searchable forms of the designation: 3MM9112WISUL, 3MM9112WI-SUL, 3MM 9112 WI CR SUL, 7012A.