Fafnir2MM9110WICRDUMSuper-Precision Angular Contact Ball Bearing Pair – 50 mm Bore, 80 mm OD, 16 mm Width, 15°, Medium Preload

Product Description

What this part is:

Fafnir 2MM9110WICRDUM, a super-precision angular contact ball bearing supplied as a universally ground duplex pair. Bearing Type: Super-Precision Angular Contact Ball Bearing. Bore Diameter: 50 mm. Outside Diameter: 80 mm. Overall Width: 16 mm per bearing. Total Width: 32 mm mounted as a pair. Contact Angle: 15°. Precision Class: ABEC 7 / ISO P4. Rolling Elements: Ball. Number Of Rows: 1 per bearing. Unit Quantity: 2 Pcs, one duplex pair.

Decoding the designation:

2MM — Fafnir super-precision spindle range at a 15° contact angle, ABEC 7 / ISO P4 precision.

9110 — 9100 light dimension series, bore code 10, the ISO 7010 envelope: 50 mm bore, 80 mm outside diameter, 16 mm width.

WI — low shoulder on both rings.

CR — phenolic cage.

DUM — duplex pair, universally ground, medium preload. The pair mounts back-to-back, face-to-face or in tandem.

Specifications:

Series: 9100WI. Base Number: 2MM9110WI. Bore Type: Straight. Closure Type: Open. Cage Material: Phenolic. Precision Class: ABEC 7 / P4. Preload: Medium. Dynamic Load Rating: 27,900 N per bearing. Static Load Rating: 20,800 N per bearing. Limiting Speed: 16,300 rpm grease; 32,600 rpm oil. Item Weight: 0.516 kg (1.14 lb) for the pair. GTIN: 087796072442.

Dimensions and mounting:

Bore Diameter: 50 mm. Outside Diameter: 80 mm. Width: 16 mm per bearing; 32 mm for the pair. Shaft Backing Shoulder Diameter: 56.1 mm. Housing Backing Shoulder Diameter: 74.2 mm. Maximum Housing Fillet Radius: 1 mm (0.039 in).

Compatibility and replacement:

Cross-Reference 1: FAG B7010-C-T-P4S-UL. Cross-Reference 2: SKF 7010 CD/P4ADGB. Cross-Reference 3: NSK 7010CTRDUMP4. Cross-Reference 4: NTN 7010UCG/GNP4. Cross-Reference 5: RHP 7010CTDUMP4. Cross-Reference 6: Koyo 7010C P4 DUM. Cross-Reference 7: SNFA VEX 50 /NS 7CE1. Cross-Reference 8: 7010-C (related size, standard tolerance). Searchable variants: 2MM9110WIDUM, 2MM-9110-WI-DUM, 2 MM 9110 WI CR DUM, 2MM9110WICRDUM.

Frequently asked questions:

What size is the Fafnir 2MM9110WI-DUM?

Bore 50 mm, outside diameter 80 mm, width 16 mm per bearing.

What contact angle and preload does it have?

15° contact angle with medium preload.

What are the load ratings?

Dynamic 27,900 N and static 20,800 N per bearing.