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Fafnir 2MM9111WI DUM super-precision angular contact bearing duplex pair, 55 x 90 x 18 mm, 15 degree contact angle, medium preload, ABEC 7 / P4.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9111WI DUM |
| Model | 2 MM 9111 WI DUM / 111HCDUM / 7011-C-T-DUM-P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 55 mm |
| OD | 90 mm |
| Width | 18 mm per bearing |
| Series | 9100 |
|---|---|
| Preload | Medium |
| Material | Bearing Steel |
| Base Number | 7011 |
| Industry Terms | Duplex bearing pair; matched angular contact; spindle bearing |
| Bore Shaft Size | 55 mm |
| Mpn Variants | 2MM9111WI-DUM, 2MM-9111-WI-DUM, 2MM9111WIDUM, 111HCDUM, 7011C |
| Precision Class | ABEC 7 / P4 |
| Cage Type | Machined |
| Rolling Elements | Balls |
| Cage Material | Phenolic |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | Plain outer ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Duplex universal |
| Part Number | 2MM9111WI-DUM |
| Cross Reference 1 | SKF 7011 CD/P4ADGB (15 deg, medium preload) |
|---|
Fafnir 2MM9111WI DUM super-precision angular contact ball bearings, a duplex universally ground pair on the ISO 7011 C size, 55 x 90 x 18 mm per bearing, 15° contact angle, medium preload. Unit Quantity: 2 Pcs. Country of Origin: United States.
2MM — Timken Fafnir super-precision range, 15° contact angle, P4 precision.
9111 — 9100WI series number for the ISO 70xx family; 9111 is a 7011, 55 x 90 x 18 mm.
WI — low shoulder on both rings, the duplex form.
DUM — DU for a duplex universally ground set, M for medium preload.
Bore Diameter: 55 mm. Outside Diameter: 90 mm. Overall Width: 18 mm per bearing (36 mm for the pair). Contact Angle: 15°. Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Cage Type: Machined. Preload: Medium. Mounting Arrangement: Duplex universal. Bore Type: Straight. Closure Type: Open. Number Of Rows: 1 per bearing. Rolling Elements: Balls. Series: 9100. Harmonization Code: 8482.10.50.
Envelope: 55 x 90 x 18 mm per bearing. Both bearings have rings of equal width with pre-adjusted faces: the pair mounts back-to-back, face-to-face or in tandem and reaches medium preload when clamped, with no ground spacer.
Cross-Reference 1: SKF 7011 CD/P4ADGB (15° contact angle, medium preload). MPN Variants: 2MM9111WI DUM, 2MM9111WI-DUM, 2MM-9111-WI-DUM, 2MM9111WIDUM, 2MM9111WI, 7011C, 7011-C, 111HCDUM, 7011-C-T-DUM-P4.
Bore Diameter: 55 mm. Outside Diameter: 90 mm. Overall Width: 18 mm per bearing.
Contact Angle: 15°. Preload: Medium.
Unit Quantity: 2 Pcs, a duplex universally ground pair.
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