Fafnir2MM202WI DULSuper-Precision Angular Contact Ball Bearing Duplex Pair – 15 mm ID, 35 mm OD, 11 mm Width, 22 mm Total, 15 Degree, Light Preload

Product Description

What this part is:

Fafnir (Timken) 2MM202WI DUL is a super-precision single-row angular contact ball bearing supplied as a universally ground duplex pair of two bearings. Unit Quantity: 2 Pcs. Bore: 15 mm. Outside Diameter: 35 mm. Width: 11 mm per bearing, 22 mm for the pair. Contact Angle: 15°. Open, steel balls, phenolic cage.

Decoding the designation:

2MM — Fafnir super-precision spindle series, 15° contact angle.

202 — 7202 envelope, 15 x 35 x 11 mm, in the ISO 72 series.

WI — spindle bearing execution with low shoulders on both rings.

CR — phenolic outer land riding cage.

DUL — duplex universally ground set at light preload.

7202C-T-P4S-DUL — Timken world part number for this bearing, P4S precision.

Specifications:

Dynamic Load Rating (C1, 1M revolutions): 2,200 lbf (9,580 N) per bearing. Dynamic Load Rating (ISO, per row): 1,960 lbf (8,710 N). Static Load Rating: 1,010 lbf (4,500 N) per bearing. Limiting Speed: 47,800 rpm grease; 95,600 rpm oil. Precision Class: P4S (ABEC 7/9). Cage Material: Phenolic. Cage Type: Outer land riding. Preload: Light. Mounting Arrangement: Universal. Rolling Elements: Ball. Number Of Rows: 1 per bearing, 2 per set. Total Width: 22 mm (pair).

Dimensions and mounting:

Shaft backing shoulder diameter: 0.750 in (18.9 mm). Housing backing shoulder diameter: 1.230 in (31.1 mm). Maximum shaft fillet radius: 0.024 in (0.6 mm). Outer ring to-clear radius: 0.024 in (0.6 mm). Source: Timken product page for 2MM202WICRDUL.

Compatibility and replacement:

Cross-Reference 1: FAG B7202-C-T-P4S-DUL. Cross-Reference 2: SNR 7202CVDUJ74. Cross-Reference 3: NSK 7202CTYNDULP4 (polyamide cage). Cross-Reference 4: SKF 7202 CD/P4ADGA. Cross-Reference 5: Fafnir 3MM202WIDUL (25 deg contact angle vs 15 deg). Cross-Reference 6: Fafnir 2MM202WI (single bearing).

Frequently asked questions:

How many bearings are in the Fafnir 2MM202WI DUL listing?

Two bearings, supplied as a universally ground duplex pair at light preload.

What does 2MM202WI DUL mean?

2MM is the Fafnir 15° super-precision series, 202 is the 7202 envelope, WI is the spindle bearing execution, and DUL is a duplex universal set at light preload.

What are the size and speed rating?

15 mm bore, 35 mm outside diameter, 11 mm width per bearing. Limiting speed is 47,800 rpm on grease and 95,600 rpm on oil.