A12-48E12 Rotek Slewing Ring Bearings
| Brand Name: | Rotek |
| Model Number: | A12-48E12 |
| Bearing number: | 7309 BECBJ |
| Size (mm): | 100x45x25 |
| Bore Diameter (mm): | 100 |
| Outer Diameter (mm): | 45 |
| Width (mm): | 25 |
| d: | 45 mm |
| D: | 100 mm |
| B: | 25 mm |
Product Details
| Bearing number | 7309 BECBJ |
| Size (mm) | 100x45x25 |
| Bore Diameter (mm) | 100 |
| Outer Diameter (mm) | 45 |
| Width (mm) | 25 |
| d | 45 mm |
| D | 100 mm |
| B | 25 mm |
| d1 | 66.5 mm |
| d2 | 55.25 mm |
| D1 | 79.9 mm |
| a | 43 mm |
| r1,2 - min. | 1.5 mm |
| r3,4 - min. | 1 mm |
| da - min. | 54 mm |
| Da - max. | 91 mm |
| Db - max. | 94.4 mm |
| ra - max. | 1.5 mm |
| rb - max. | 1 mm |
| Basic dynamic load rating - C | 55.9 kN |
| Basic static load rating - C0 | 37.5 kN |
| Fatigue load limit - Pu | 1.6 kN |
| Reference speed | 8000 r/min |
| Limiting speed | 8000 r/min |
| Calculation factor - kr | 0.1 |
| Calculation factor - ka | 1.6 |
| Calculation factor - e | 1.14 |
| Calculation factor - X | 0.35 |
| Calculation factor - Y0 | 0.26 |
| Calculation factor - Y1 | 0.55 |
| Calculation factor - Y2 | 0.57 |
| Category | Angular Contact Ball Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.9 |
| Product Group | B00308 |
| Enclosure | Open |
| Flush Ground | Yes |
| Rolling Element | Ball Bearing |
| Number of Rows of Balls | Single Row |
| Precision Class | ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot | No |
| Snap Ring | No |
| Cage Material | Steel |
| Contact Angle | 40 Degree |
| Internal Clearance | CB |
| Number of Bearings | 1 (Single) |
| Mounting Arrangement | Universal |
| Inch - Metric | Metric |
| Long Description | 45MM Bore; 100MM Outside Diameter; 25MM Width; Open; Yes Flush Ground; Ball Bearing; Single Row of Balls; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; CB; Steel Cage; 40 Degree; 1 (Single); Univers |
| Other Features | Normal Axial Internal Clearance |
| UNSPSC | 31171531 |
| Harmonized Tariff Code | 8482.10.50.28 |
| Noun | Bearing |
| Keyword String | Angular Contact |
| Manufacturer Item Number | 7309 BECBJ |
| Outside Diameter | 3.937 Inch | 100 Millimeter |
| Width | 0.984 Inch | 25 Millimeter |
| Bore | 1.772 Inch | 45 Millimeter |
| bore diameter: | 45 mm |
| radial static load capacity: | 41-1/2 kN |
| outside diameter: | 100 mm |
| outer ring width: | 25 mm |
| overall width: | 25 mm |
| maximum rpm: | 8000 RPM |
| contact angle: | 40 ° |
| finish/coating: | Uncoated |
| row type & fill slot: | Single-Row Non-Fill Slot |
| precision rating: | Not Rated |
| internal clearance: | C0 |
| fillet radius: | 1.5 mm |
| closure type: | Open |
| series: | 73 |
| radial dynamic load capacity: | 60.5 kN |
| d1 ≈ | 66.5 mm |
| d2 ≈ | 55.25 mm |
| D1 ≈ | 79.9 mm |
| r1,2 min. | 1.5 mm |
| r3,4 min. | 1 mm |
| da min. | 54 mm |
| Da max. | 91 mm |
| Db max. | 94.4 mm |
| ra max. | 1.5 mm |
| rb max. | 1 mm |
| Basic dynamic load rating C | 61 kN |
| Basic static load rating C0 | 40.5 kN |
| Fatigue load limit Pu | 1.73 kN |
| Calculation factor A | 0.0268 |
| Calculation factor kr | 0.1 |
| Calculation factor e | 1.14 |
| Calculation factor X | 0.57 |
| Calculation factor Y0 | 0.52 |
| Calculation factor Y2 | 0.93 |
| Calculation factor Y1 | 0.55 |
| Mass bearing | 0.87 kg |
