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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
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1 in stock
Super-precision angular contact ball bearing, 130 mm bore, 180 mm OD, 24 mm wide, 15° contact angle. ABEC 7 / P4, machined phenolic cage, medium preload.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9326WOCR SUM |
| Model | 71926 2MM9326 WO CR |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 130 mm |
| OD | 180 mm |
| Width | 24 mm |
| Series | 9300 |
|---|---|
| Preload | Medium |
| Material | Bearing Steel |
| Base Number | 2MM9326WOCR |
| Industry Terms | Super-precision angular contact bearing, Machine tool spindle bearing, Precision spindle bearing |
| Application Types | Machine tool spindles, High-speed precision spindles, Grinding spindles |
| Overall Width | 24 mm |
| Mpn Variants | 2MM9326WOCR-SUM, 2MM-9326-WO-CR-SUM, 2MM9326WOCRSUM, 2MM 9326 WO CR SUM, 2MM9326WOCR, 71926 |
| Precision Class | ABEC 7 / P4 |
| Cage Type | Machined |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universal |
| Bearing Material | Bearing Steel |
| Cross Reference 3 | GMN S61926CTA |
|---|
Fafnir 2MM9326WOCR-SUM super-precision angular contact ball bearing. Bore Diameter: 130 mm. Outside Diameter: 180 mm. Overall Width: 24 mm. Contact Angle: 15°. Precision Class: ABEC 7 / P4. The envelope is the ISO 71926 size.
2MM — Timken/Fafnir super-precision class. ISO P4 / ABEC 7 running accuracy, with a 15° contact angle.
9326 — the ISO 71926 size: 130 mm bore, 180 mm outside diameter, 24 mm width.
CR — machined phenolic cage.
SUM — universally ground single bearing, medium preload. Any two of the same execution mount as a matched pair back-to-back, face-to-face or in tandem.
Contact Angle: 15°. A 15° angle favours speed and radial stiffness; a larger angle trades those for axial capacity.
Cage Material: Phenolic. Cage Type: Machined. A phenolic cage is light, self-lubricating and tolerant of high cage speeds.
Preload: Medium. Mounting Arrangement: Universal. Rolling Elements: Ball. Number Of Rows: 1. Bore Type: Straight. Closure Type: Open. Bearing Material: Bearing Steel. Series: 9300. Harmonization Code: 8482.10.50.
Unit Quantity: 1 Pc.
Cross-Reference 3: GMN S61926CTA — the same 130 x 180 x 24 mm envelope at 15° with a machined phenolic cage.
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