Fafnir2MM210WI CR TUHSuper Precision Angular Contact Ball Bearing – Triplex Universal Set, 50 mm ID, 90 mm OD, 20 mm Width, 15 Degree Contact Angle, Heavy Preload, P4S

Product Description

What this part is:

Fafnir 2MM210WICR-TUH is a super-precision angular contact ball bearing supplied as a triplex universal set of three bearings with heavy preload. Each bearing is 50 mm bore, 90 mm outside diameter and 20 mm wide, giving 60 mm across the three-bearing stack. Unit Quantity: 3 Pcs. Condition: New.

Decoding the designation:

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

210 — 50 mm bore code in the 200WI series, dimensionally a 7210 (50 x 90 x 20 mm).

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

CR — phenolic cage.

TUH — triplex universal set at heavy preload: three bearings ground so they can be arranged back-to-back, face-to-face or in tandem.

Specifications:

Bore Diameter: 50 mm. Outside Diameter: 90 mm. Width: 20 mm per bearing. Contact Angle: 15°. Number Of Rows: 1 per bearing. Rolling Elements: Ball. Seal Type: Open. Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Preload: Heavy. Series: 200WI. Country of Origin: United States.

Dimensions and mounting:

Bore: 50 mm (1.9685 in). Outside diameter: 90 mm. Width: 20 mm per bearing, 60 mm for the three-bearing stack. Bore Type: Straight.

Compatibility and replacement:

Cross-references: FAG B7210-C-T-P4S-TUH; RHP 7210CTTUHP4. Fafnir 3MM210WI has the same 50 x 90 x 20 mm size with a 25° contact angle instead of 15°.

Frequently asked questions:

What size is the Fafnir 2MM210WICR-TUH?

Bore 50 mm, outside diameter 90 mm and width 20 mm per bearing, 60 mm across the three-bearing stack.

What is the contact angle of the 2MM210WICR-TUH?

The 2MM prefix gives a 15° contact angle.

What does TUH mean in 2MM210WICR-TUH?

TUH is a triplex universal set at heavy preload, so the listing contains three matched bearings.