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Fafnir 2MM9124WI-QUL super-precision angular contact ball bearing quad set, 120 x 180 x 28 mm, 15° contact angle, light preload, phenolic cage. Set of 4.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9124WI-QUL |
| GTIN | 087796229822 |
| Model | 2MM9124WIQUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 120 mm |
| OD | 180 mm |
| Width | 28 mm |
| Preload | Light |
|---|---|
| Base Number | 7024 |
| Industry Terms | Spindle bearing; super precision bearing; machine tool bearing; quad set; four bearing set; ABEC 7; phenolic cage bearing |
| Common Misspellings | Faffnir; Fafner; 2MM9124W1-QUL; 2M9124WI-QUL |
| Application Types | Heavily loaded machine tool spindles; boring mills; precision motion systems |
| Bore Shaft Size | 120 mm (4.7244 in) |
| Mpn Variants | 2MM9124WI-QUL; 2MM9124WIQUL; 2MM-9124-WI-CR-QUL; 2MM 9124 WI CR QUL; 7024CCR-QUL-P4S |
| Manufacturer Status | Fafnir super-precision line, now branded Timken |
| Precision Class | ABEC 7 / P4 |
| Rolling Elements | Balls |
| Cage Material | Phenolic |
| Number Of Rows | 1 per bearing, 4 rows as the mounted stack |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Part Number | 2MM9124WI-QUL |
Set of four Fafnir 2MM9124WI-QUL super-precision angular contact ball bearings, ground as a matched quad stack at light preload. Unit Quantity: 4 Pcs. Open, phenolic cages, straight bore. Fafnir is a Timken brand. ISO equivalent size 7024.
2MM — 15° contact angle, MM super-precision series, P4 precision class.
9124 — Fafnir series code for the ISO 7024 size, 120 mm bore.
WI — low shoulder on both rings, the duplex form.
CR — phenolic cage.
QUL — quad universal set at light preload.
Bore Diameter: 120 mm (4.7244 in).
Outside Diameter: 180 mm.
Overall Width: 28 mm per bearing.
Contact Angle: 15°.
Precision Class: ABEC 7 / P4.
Preload: Light.
Cage Material: Phenolic.
Closure Type: Open.
Rolling Elements: Ball. Number Of Rows: 1 per bearing, 4 rows as the mounted stack.
Bore Type: Straight.
Four bearings ground as a matched quad set, open with no seals or snap rings. A preloaded matched set carries no internal clearance class. Series: ISO 70 light series (7024).
The ISO base number is 7024, so the envelope matches a 7024-series angular contact bearing. A quad-ground set interchanges with another quad set at the same angle and preload; duplex pairs and single universal bearings in the same envelope are related sizes. MPN variants: 2MM9124WI-QUL, 2MM9124WIQUL, 2MM-9124-WI-CR-QUL, 2MM 9124 WI CR QUL, 7024CCR-QUL-P4S.
The contact angle is 15° and the QUL set is at light preload.
120 mm bore, 180 mm outside diameter, 28 mm wide per bearing (ISO 7024 size).
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