Fafnir2MM205WI DULSuper Precision Angular Contact Ball Bearing, Duplex Set, 25 mm ID, 52 mm OD, 15 mm Width, 15 Degree Contact Angle, Light Preload, Phenolic Cage, ABEC 7

Product Description

What this part is:

Fafnir 2MM205WI DUL super precision angular contact ball bearing for machine tool spindles, from Timken’s Fafnir 200WI range, supplied as a universally ground duplex set at light preload. Unit Quantity: 2 Pcs, one matched duplex set. Manufacturer Part Number: 2MM205WI DUL (2MM205WICRDUL). World Part Number: 7205C-T-P4S-DUL.

Decoding the designation:

2MM — Fafnir super precision series at a 15° contact angle, P4 precision class (ABEC 7).

205 — 200WI dimension series, bore code 05: 25 mm bore, 52 mm outside diameter, 15 mm width per bearing, the ISO 7205 envelope.

WI — low shoulder on both rings.

CR — phenolic outer land riding cage.

DU — duplex, two universally ground bearings supplied as a matched set.

L — light preload.

Specifications:

Bore Diameter: 25 mm. Outside Diameter: 52 mm. Overall Width: 15 mm per bearing. Total Width: 30 mm across the set. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Preload: Light. Cage Material: Phenolic. Cage Type: Outer land riding. Rolling Elements: Steel balls. Closure Type: Open. Number Of Rows: 1 per bearing.

Dynamic Load Rating (C1): 18,400 N (4,130 lbf) per bearing. C1 ISO Dynamic Radial Rating per row: 16,700 N (3,760 lbf). Static Load Rating (C0): 10,200 N (2,320 lbf) per bearing. Limiting Speed: 29,800 rpm grease; 59,600 rpm oil.

Dimensions and mounting:

Shaft Backing Shoulder Diameter: 30.9 mm (1.220 in). Housing Backing Shoulder Diameter: 47.1 mm (1.860 in). Maximum Shaft Fillet Radius: 1 mm (0.039 in). Outer Ring To-Clear Radius: 1 mm (0.039 in).

Compatibility and replacement:

Cross-references: Timken 7205C-T-P4S-DUL. Related: Fafnir 3MM205WI, same 25 x 52 x 15 mm envelope at a 25° contact angle.

Searchable designation variants: 2MM205WI-DUL, 2MM205WICRDUL, 2MM-205-WI-CR-DUL, 2MM 205 WI DUL, 7205C, 7205-C.

Frequently asked questions:

What size is the Fafnir 2MM205WI DUL?

25 mm bore, 52 mm outside diameter and 15 mm width per bearing, 30 mm total width across the duplex set.

What are the speed ratings of the Fafnir 2MM205WI DUL?

Limiting Speed: 29,800 rpm on grease and 59,600 rpm on oil.

What is the Timken world part number for the 2MM205WI DUL?

Timken publishes the world part number 7205C-T-P4S-DUL.