Fafnir3MM206WICRDUHAngular Contact Ball Bearing – 30 mm Bore, 62 mm OD, 16 mm Width, 25° Contact Angle, Heavy Preload, Phenolic Cage, ABEC 7/9

Product Description

What this part is:

Fafnir 3MM206WICRDUH super-precision angular contact ball bearing, factory-matched duplex pair, 30 mm bore, 62 mm outside diameter, 16 mm width per bearing. 25° contact angle, heavy preload, phenolic cage, ISO P4S. Timken world part number 7206E-T-P4S-DUH. Unit Quantity: 2 Pcs.

Decoding the designation:

3MM — 25° contact angle in the Fafnir super-precision spindle range, ISO P4S.

206 — 30 mm bore in the 72xx dimension series.

WI — low shoulder on both rings.

CR — phenolic outer-land-riding cage.

DU — factory-matched duplex pair, ground to run together.

H — heavy preload.

Specifications:

Bore Diameter: 30 mm. Outside Diameter: 62 mm. Overall Width: 16 mm per bearing. Total Width: 32 mm for the duplex pair. Contact Angle: 25°. Preload: Heavy. Precision Class: ABEC 7/9 / P4S. Cage Material: Phenolic. Cage Type: Machined, outer-ring land-riding. Dynamic Load Rating: 22,200 N (ISO basis, per bearing). Dynamic Load Rating (C1): 24,400 N (Timken one-million-revolution basis, per bearing). Static Load Rating: 14,000 N. Limiting Speed: 24,700 rpm grease; 45,200 rpm oil. Lubricant: grease or oil. Bore Type: Straight. Closure Type: Open. Number Of Rows: 1 per bearing. Rolling Elements: Ball. Bearing Material: Steel. Series: 7200. Base Number: 7206.

Dimensions and mounting:

Shaft backing shoulder diameter: 36.5 mm. Housing backing shoulder diameter: 56 mm. Maximum shaft fillet radius: 1 mm. Outer ring to-clear radius: 1 mm. Arrangement: duplex, factory-matched pair.

Compatibility and replacement:

Same 30 x 62 x 16 mm envelope, 25° contact angle and heavy preload: SKF 7206 ACD/P4ADGC, FAG B7206-E-T-P4S, NSK 7206A5TYNDUHP4, RHP 7206A5TDUHEP7, SNFA EX206 7CE3, IBC 7206-E-T-P4S-DUH. Same envelope at a different contact angle: NTN 7206DB/GHP4 (30°), Koyo 7206DB/GHP4 (30°), MRC 7206 (29°). CAD model and data sheet: available from Timken (cad.timken.com).

Frequently asked questions:

What is the contact angle and preload of the Fafnir 3MM206WICRDUH?

Contact angle 25° with heavy preload (H), as a factory-matched duplex pair (DU).

What are the speed limits and load ratings?

Limiting speed 24,700 rpm grease and 45,200 rpm oil; static load rating 14,000 N; dynamic load rating 22,200 N (ISO) or 24,400 N (C1), per bearing.

What is the Timken world part number?

7206E-T-P4S-DUH.