Fafnir2MM9110WI SULSuper Precision Angular Contact Ball Bearing – Straight Bore, 50 mm ID, 80 mm OD, 16 mm Width, Open, 15° Contact Angle, Light Preload, Phenolic Outer-Land-Riding Cage, ISO P4S

Product Description

What this part is:

Fafnir 2MM9110WI SUL super-precision angular contact ball bearing, single row, 9100WI spindle series, built by The Timken Company. Single universally ground bearing. Manufacturer Part Number: 2MM9110WI SUL. World Part Number: 7010C-T-P4S-SUL. Unit Quantity: 1 Pc.

Decoding the designation:

2MM — 15° contact angle, super-precision execution.

9110WI — 9100WI series on the ISO 7010 envelope, 50 x 80 x 16 mm, with a low shoulder on both rings.

CR — phenolic outer-land-riding cage.

SUL — single universally ground bearing at light preload.

Specifications:

Bore Diameter: 50 mm. Outside Diameter: 80 mm. Bearing Width: 16 mm. Total Width: 16 mm. Contact Angle: 15°. Dynamic Radial Load Rating (C1, 1M revs): 27,900 N (6,270 lbf) per bearing. C1 ISO Dynamic Radial Rating, per row: 25,300 N (5,670 lbf) per bearing. Static Radial Load Rating (C0): 20,800 N (4,670 lbf) per bearing. Limiting Speed, grease: 16,300 rpm. Limiting Speed, oil: 32,600 rpm. Precision Rating: ISO P4S (ABEC 7/9). Preload: Light. Cage Type: CR – phenolic outer-land-riding. Cage Material: Phenolic. Rolling Elements: Steel balls. Number Of Rows: 1. Bore Type: Straight. Closure Type: Open. Mounting Arrangement: Universal single. Harmonization Code: 8482.10.50.

Dimensions and mounting:

Maximum shaft fillet radius: 1 mm (0.039 in). Maximum housing fillet radius: 1 mm (0.039 in). Shaft Backing Shoulder Diameter: 56.1 mm (2.209 in). Housing Backing Shoulder Diameter: 74.2 mm (2.921 in).

Compatibility and replacement:

Cross-references: FAG B7010-C-T-P4S-UL; SKF 7010 CDGA/P4A (P4A class, preload class A); NSK 7010CTRP4 (P4, preload not stated). Base Number: 7010. Searchable forms: 2MM9110WI, 2MM9110WISUL, 2MM-9110-WI, 2MM-9110-WI-SUL, 2MM9110WICRSUL, 7010C, 7010-C. The line passed from Fafnir to Torrington to Timken, and Timken lists 2MM9110WI SUL.

Frequently asked questions:

What is the contact angle of the Fafnir 2MM9110WI SUL?

15°. The 2MM prefix denotes the 15° super-precision execution.

What are the size and limiting speeds?

50 x 80 x 16 mm. Limiting speed is 16,300 rpm with grease and 32,600 rpm with oil.

What do the SUL and CR codes mean?

SUL is a single universally ground bearing at light preload. CR is a phenolic outer-land-riding cage.