Fafnir2MM209WI DULAngular Contact Ball Bearing Duplex Pair – 45 mm ID, 85 mm OD, 19 mm Width, 15° Contact Angle, Light Preload, ABEC 7/9 P4S

Product Description

What this part is:

Fafnir 2MM209WI-DUL 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.

Decoding the designation:

2MM — 15° contact angle on the Fafnir super-precision range, ISO P4S tolerancing.

209 — 200WI medium series, ISO 7209.

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

CR — phenolic outer land riding cage.

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

L — light preload. Timken world part number for this execution: 7209C-T-P4S-DUL.

Specifications:

Bore Diameter: 45 mm. Outside Diameter: 85 mm. Overall Width: 19 mm per bearing. Total Width: 38 mm for the mounted pair. Contact Angle: 15°. Precision Class: ABEC 7 / P4S. Preload: Light. Cage Type: CR – Phenolic Outer Land Riding Cage. Cage Material: Phenolic. Rolling Elements: Ball. Bearing Material: Chrome steel. Bore Type: Straight. Closure Type: Open. Number Of Rows: 1 per bearing. Mounting Arrangement: Duplex. Arrangement / Configuration: Duplex universally ground pair. Series: 200WI. Base Number: 2MM209WI. 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. Lubricant: grease or oil. Unit Quantity: 2 Pcs.

Dimensions and mounting:

Shaft backing shoulder diameter: 52.3 mm (2.060 in). Housing backing shoulder diameter: 78.2 mm (3.080 in). Total width of the mounted pair: 38 mm. The two bearings are universally ground and set back-to-back, face-to-face or in tandem at the light preload built into the grind.

Compatibility and replacement:

Cross-Reference 1: Timken 7209C-T-P4S-DUL, world part number. Cross-Reference 2: SKF 7209 CD/P4ADGA, extra light preload. Cross-Reference 3: FAG B7209-C-T-P4S-DUL. Cross-Reference 4: NSK 7209CTRDULP4. Cross-Reference 5: RHP 7209CTDULP4. Cross-Reference 6: NTN 7209UCDB/GNP4. Cross-Reference 7: Koyo 7209C DB/GLP4. Cross-Reference 8: SNR 7209CVDUJ74. Searchable forms: 2MM209WICRDUL, 2MM-209-WI-CR-DUL, 2 MM 209 WI DUL, 7209C T DUL P4, 7209C-T-P4S-DUL.

Frequently asked questions:

What are the dimensions of the Fafnir 2MM209WI-DUL?

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

What are the load ratings and speed limits?

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.

What contact angle and preload does it have?

Contact Angle: 15°. Preload: Light.