komatsu 135-30-32210 Protector Size Chart (mm/inches) |
|---|
| Bearing number | 708 ACD/P4A |
| Size (mm) | 22x8x7 |
| Bore Diameter (mm) | 22 |
| Outer Diameter (mm) | 8 |
| Width (mm) | 7 |
| d | 8 mm |
| D | 22 mm |
| B | 7 mm |
| d1 | 12.6 mm |
| d2 | 12.6 mm |
| D1 | 17.4 mm |
| r1,2 - min. | 0.3 mm |
| r3,4 - min. | 0.2 mm |
| a | 7 mm |
| da - min. | 10 mm |
| db - min. | 10 mm |
| Da - max. | 20 mm |
| Db - max. | 20.6 mm |
| ra - max. | 0.3 mm |
| rb - max. | 0.2 mm |
| dn | 13.6 mm |
| Basic dynamic load rating - C | 3.2 kN |
| Basic static load rating - C0 | 1.3 kN |
| Fatigue load limit - Pu | 0.056 kN |
| Limiting speed for grease lubrication | 80000 r/min |
| Limiting speed for oil lubrication | 120000 mm/min |
| Ball - Dw | 3.969 mm |
| Ball - z | 9 |
| Gref | 0.15 cm3 |
| Calculation factor - e | 0.68 |
| Calculation factor - Y2 | 0.87 |
| Calculation factor - Y0 | 0.38 |
| Calculation factor - X2 | 0.41 |
| Calculation factor - Y1 | 0.92 |
| Calculation factor - Y2 | 1.41 |
| Calculation factor - Y0 | 0.76 |
| Calculation factor - X2 | 0.67 |
| Preload class A - GA | 20 N |
| Preload class B - GB | 40 N |
| Preload class C - GC | 80 N |
| Preload class D - GD | 160 N |
| Calculation factor - f | 1.02 |
| Calculation factor - f1 | 0.99 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.02 |
| Calculation factor - f2C | 1.05 |
| Calculation factor - f2D | 1.08 |
| Calculation factor - fHC | 1 |
| Preload class A | 29 N/micron |
| Preload class B | 37 N/micron |
| Preload class C | 48 N/micron |
| Preload class D | 64 N/micron |
| Category | Miniature Precision Ball Bearings |
| Inventory | 0.0 |
| Manufacturer Name | SKF |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.018 |
| EAN | 7316570577914 |
| Product Group | B04270 |
| Enclosure | Open |
| Precision Class | ABEC 7 | ISO P4 |
| Flanges | No |
| Material - Ball | Steel |
| Race Material | Steel |
| Raceway Style | 1 Rib Outer Ring |
| Number of Bearings | 1 (Single) |
| Contact Angle | 25 Degree |
| Preload | None |
| Cage Material | Phenolic |
| Rolling Element | Ball Bearing |
| Flush Ground | No |
| Inch - Metric | Metric |
| Other Features | Single Row | Angular Contact | High Precision |
| Long Description | 8MM Bore; 22MM Outside Diameter; 7MM Inner Race Width; 7MM Outer Race Width; Open Enclosure; ABEC 7 | ISO P4 Precision; No Flange; Steel Ball Material; Steel Race Material; 1 (Single) Bearing |
| Category | Miniature Precision Ball Bearings |
| UNSPSC | 31171531 |
| Harmonized Tariff Code | 8482.10.50.28 |
| Noun | Bearing |
| Keyword String | Angular Contact Ball |
| Manufacturer URL | http://www.skf.com |
| Manufacturer Item Number | 708 ACD/P4A |
| Weight / LBS | 0.04 |
| Bore | 0.315 Inch | 8 Millimeter |
| Outside Diameter | 0.866 Inch | 22 Millimeter |
| Inner Race Width | 0.276 Inch | 7 Millimeter |
| Flange Outside Diameter | 0 Inch | 0 Millimeter |
| Outer Race Width | 0.276 Inch | 7 Millimeter |
| bore diameter: | 8 mm |
| radial dynamic load capacity: | 2.91 kN |
| outside diameter: | 22 mm |
| radial static load capacity: | 1.12 kN |
| overall width: | 7 mm |
| outer ring width: | 7 mm |
| contact angle: | 25 ° |
| maximum rpm: | 100000 RPM |
| row type & fill slot: | Single-Row Non-Fill Slot |
| finish/coating: | Uncoated |
| internal clearance: | C0 |
| precision rating: | ABEC 7 (ISO Class 4) |
| closure type: | Open |
| fillet radius: | 0.3 mm |
| bearing material: | Steel |
| series: | 70 |
| d1 | 12.6 mm |
| d2 | 12.6 mm |
| D1 | 17.4 mm |
| r1,2 min. | 0.3 mm |
| r3,4 min. | 0.2 mm |
| da min. | 10 mm |
| db min. | 10 mm |
| Da max. | 20 mm |
| Db max. | 20.6 mm |
| ra max. | 0.3 mm |
| rb max. | 0.2 mm |
| dn | 13.6 mm |
| Basic dynamic load rating C | 3.19 kN |
| Basic static load rating C0 | 1.34 kN |
| Fatigue load limit Pu | 0.056 kN |
| Attainable speed for grease lubrication | 80000 r/min |
| Attainable speed for oil-air lubrication | 120000 r/min |
| Ball diameter Dw | 3.969 mm |
| Number of balls z | 9 |
| Reference grease quantity Gref | 0.15 cm³ |
| Preload class A GA | 20 N |
| Static axial stiffness, preload class A | 29 N/µm |
| Preload class B GB | 40 N |
| Static axial stiffness, preload class B | 37 N/µm |
| Preload class C GC | 80 N |
| Static axial stiffness, preload class C | 48 N/µm |
| Preload class D GD | 160 N |
| Static axial stiffness, preload class D | 64 N/µm |
| Calculation factor f | 1.02 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor f2D | 1.08 |
| Calculation factor fHC | 1 |
| Calculation factor e | 0.68 |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Calculation factor (single, tandem) Y0 | 0.38 |
| Calculation factor (single, tandem) X2 | 0.41 |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Calculation factor (back-to-back, face-to-face) Y0 | 0.76 |
| Calculation factor (back-to-back, face-to-face) X2 | 0.67 |
| Mass bearing | 0.012 kg |