Bearing 7021 CDF ISO 7021 CDF ISO bearing Size Chart (mm/inches) |
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| Category | Angular Contact Ball Bearings |
| Inventory | 0.0 |
| Manufacturer Name | SKF |
| Minimum Buy Quantity | N/A |
| Weight | 2.28 |
| EAN | 7316573932192 |
| Product Group | B00152 |
| Enclosure | 2 Metal Shields |
| Flush Ground | No |
| Rolling Element | Ball Bearing |
| Number of Rows of Balls | Double Row |
| Precision Class | ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot | No |
| Snap Ring | No |
| Cage Material | Steel |
| Contact Angle | 30 Degree |
| Internal Clearance | C0-Medium |
| Number of Bearings | 1 (Single) |
| Inch - Metric | Metric |
| Long Description | 55MM Bore; 120MM Outside Diameter; 49.2MM Width; 2 Metal Shields; No Flush Ground; Ball Bearing; Double Row of Balls; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; C0-Medium; Steel Cage; 30 Degree; |
| Category | Angular Contact Ball Bearing |
| UNSPSC | 31171531 |
| Harmonized Tariff Code | 8482.10.50.28 |
| Noun | Bearing |
| Keyword String | Angular Contact |
| Manufacturer URL | http://www.skf.com |
| Manufacturer Item Number | 3311 A-2Z |
| Weight / LBS | 5.0221 |
| d | 2.165 Inch | 55 Millimeter |
| D | 4.724 Inch | 120 Millimeter |
| B | 1.937 Inch | 49.2 Millimeter |
| d | 55 mm |
| D | 120 mm |
| B | 49.2 mm |
| d2 ≈ | 68.4 mm |
| D2 ≈ | 109.4 mm |
| r1,2 min. | 2 mm |
| a | 72 mm |
| da min. | 66 mm |
| da max. | 68 mm |
| Da max. | 109 mm |
| ra max. | 2 mm |
| Basic dynamic load rating C | 112 kN |
| Basic static load rating C0 | 81.5 kN |
| Fatigue load limit Pu | 3.45 kN |
| Reference speed | 6000 r/min |
| Limiting speed | 5300 r/min |
| Calculation factor kr | 0.07 |
| Calculation factor e | 0.8 |
| Calculation factor X | 0.63 |
| Calculation factor Y0 | 0.66 |
| Calculation factor Y1 | 0.78 |
| Calculation factor Y2 | 1.24 |
| Mass bearing | 2.65 kg |