Fafnir2MM212WICRDUHAngular Contact Ball Bearing – 60 mm ID, 110 mm OD, 22 mm Width, 15° Contact Angle, Heavy Preload Duplex Pair, P4 Precision

Product Description

What this part is:

Fafnir 2MM212WICRDUH super-precision angular contact ball bearing duplex pair, 200WI spindle series, 60 x 110 x 22 mm per bearing. Unit Quantity: 2 Pcs, ground as a matched duplex set with heavy preload. Single row, straight bore, open, phenolic cage. GTIN: 087796070707.

Decoding the designation:

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

212 — 200 series, bore code 12, giving a 60 mm bore.

WI — low shoulder on both rings, the spindle bearing form.

CR — phenolic cage.

DUH — duplex pair, heavy preload.

Specifications:

Bore Diameter: 60 mm. Outside Diameter: 110 mm. Overall Width: 22 mm per bearing. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Preload: Heavy. Dynamic Load Rating: 71,000 N per bearing. Static Load Rating: 48,900 N. Limiting Speed: 13,200 rpm grease; 26,400 rpm oil. Cage Material: Phenolic. Rolling Elements: Ball. Bearing Material: Chrome steel. Bore Type: Straight. Closure Type: Open. Number Of Rows: 1 per bearing. Lubricant: grease or oil. Mounting Arrangement: duplex pair, heavy preload.

Dimensions and mounting:

Shaft Backing Shoulder Diameter: 69.3 mm (2.730 in). Housing Backing Shoulder Diameter: 101.4 mm (3.990 in). Maximum Shaft Fillet Radius: 1.5 mm (0.059 in).

Compatibility and replacement:

Cross-references: Timken 7212C-T-P4S-DUH; 7212C (standard precision, same envelope and angle). Earlier Fafnir literature numbers this bearing 1212HDH. CAD model and data sheet: available from Timken (cad.timken.com).

Frequently asked questions:

What are the dimensions of the Fafnir 2MM212WICRDUH?

Bore 60 mm, outside diameter 110 mm, width 22 mm per bearing.

What does DUH mean in 2MM212WICRDUH?

DUH is a duplex pair with heavy preload.

What are the speed ratings of the 2MM212WICRDUH?

13,200 rpm on grease and 26,400 rpm on oil.