Fafnir2MM209WICRDULAngular Contact Ball Bearing Duplex Pair – 45 mm ID, 85 mm OD, 19 mm Width, 15° Contact Angle, Light Preload, ABEC 7 / P4

Product Description

What this part is:

Fafnir 2MM209WICRDUL, a super-precision angular contact ball bearing built by Timken under the Fafnir brand and supplied as a universally ground duplex pair. Unit Quantity: 2 Pcs. Bore Diameter: 45 mm. Outside Diameter: 85 mm. Overall Width: 19 mm per bearing. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Preload: Light. Condition: used.

Decoding the designation:

2MM — 15° contact angle on the Fafnir super-precision range; MM is ISO P4 (ABEC 7) tolerancing.

209 — the 200WI medium series, which maps to the ISO 72xx family; this size is the ISO 7209.

WI — low shoulder on both rings, the high-speed spindle execution.

CR — phenolic cage.

DU — duplex, two bearings ground for matched mounting as a set.

L — light preload.

Specifications:

Dynamic Load Rating: 45,200 N per bearing. Static Load Rating: 28,800 N per bearing. Limiting Speed: 17,500 rpm grease; 35,000 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. Series: 200WI. Base Number: 2MM209WI. Mounting Arrangement: Duplex. Item Weight: 0.816 kg (1.8 lb) for the pair. GTIN: 0087796070431.

Dimensions and mounting:

Bore Diameter: 45 mm. Outside Diameter: 85 mm. Overall Width: 19 mm per bearing. Total Width: 38 mm for the pair. Shaft backing shoulder diameter: 52.3 mm (2.060 in). Housing backing shoulder diameter: 78.2 mm (3.080 in). Max housing fillet radius: 1 mm (0.039 in). The two bearings are universally ground and carry the light preload built into the grind.

Compatibility and replacement:

Super-precision cross-references at 15°: SKF 7209 CD/P4ADGA, FAG B7209-C-T-P4S-DUL, NSK 7209CTYNDULP4, NTN 7209UCDB/GNP4, RHP 7209CTDULP4, Koyo 7209C DB/GLP4, SNR 7209CVDUJ74. Other forms of this number: 2MM209WICRDUL, 2MM-209-WI-CR-DUL, 2 MM 209 WI DUL and 7209C-T-P4S-DUL.

Frequently asked questions:

What is the contact angle of the Fafnir 2MM209WICRDUL?

Contact Angle: 15°.

What are the main dimensions?

Bore Diameter: 45 mm. Outside Diameter: 85 mm. Overall Width: 19 mm per bearing; 38 mm for the pair.

What preload and load ratings does it have?

Preload: Light. Dynamic Load Rating: 45,200 N per bearing; Static Load Rating: 28,800 N per bearing.