77248B Franke Slewing Ring Bearings
77248B Franke Slewing Ring Bearings with easy-to-use parts graphics, giving you the ability to Bearing Driveshaft do Brasil check 45 Bore Diameter (mm) parts availability, Large Slewing Bearings pricing, examine remanufactured options. 45x75x23
| Brand Name: | Franke |
| Model Number: | 77248B |
| Bearing number: | NN 3009 TN/SP |
| Size (mm): | 45x75x23 |
| Bore Diameter (mm): | 45 |
| Outer Diameter (mm): | 75 |
| Width (mm): | 23 |
| d: | 45 mm |
| D: | 75 mm |
| B: | 23 mm |
Product Details
| Bearing number | NN 3009 TN/SP |
| Size (mm) | 45x75x23 |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 75 |
| Width (mm) | 23 |
| d | 45 mm |
| D | 75 mm |
| B | 23 mm |
| d1 | 56.3 mm |
| E | 67.5 mm |
| r1,2 - min. | 1 mm |
| s | 1.5 mm |
| da - min. | 50 mm |
| Da - min. | 69 mm |
| Da - max. | 70 mm |
| ra - max. | 1 mm |
| dn | 66.4 mm |
| Basic dynamic load rating - C | 50.1 kN |
| Basic static load rating - C0 | 65.5 kN |
| Fatigue load limit - Pu | 7.6 kN |
| Limiting speed for grease lubrication | 12000 r/min |
| Limiting speed for oil lubrication | 14000 mm/min |
| Gref | 2.4 cm |
| Static radial stiffness (guideline value) | 940 N/micron |
| Category | Cylindrical Roller Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.409 |
| Product Group | B04270 |
| Bore Profile | Straight |
| Cage Material | Polymer |
| Precision Class | Special Precision |
| Number of Rows of Rollers | Double Row |
| Separable | Outer Ring - Both Sides |
| Rolling Element | Cylindrical Roller Bearing |
| Profile | Complete with Outer and Inner Ring |
| Snap Ring | No |
| Internal Clearance | C1-Tight |
| Retainer | Yes |
| Relubricatable | Yes |
| Inch - Metric | Metric |
| Other Features | 3 Rib Inner Ring | Plain Outer Ring | High Precision Bearing | Cage on Inner Ring OD |
| Long Description | 45MM Bore; Straight Bore Profile; 75MM Outside Diameter; 23MM Width; Polymer Cage Matetrial; Special Precision; Double Row; Outer Ring - Both Sides Separable; No Snap Ring; Relubricatable; C1-Tight In |
| UNSPSC | 31171547 |
| Harmonized Tariff Code | 8482.50.00.00 |
| Noun | Bearing |
| Manufacturer Item Number | NN 3009 TN/SP |
| Weight / LBS | 0.9 |
| Width | 0.906 Inch | 23 Millimeter |
| Outside Diameter | 2.953 Inch | 75 Millimeter |
| Bore | 1.772 Inch | 45 Millimeter |
| bore diameter: | 45 mm |
| maximum rpm: | 14000 rpm |
| outside diameter: | 75 mm |
| bearing material: | Steel |
| overall width: | 23 mm |
| cage material: | Steel |
| bore type: | Straight |
| finish/coating: | Uncoated |
| number of rows: | 2 |
| closure type: | Open |
| operating temperature range: | Maximum 302 °F |
| series: | NN |
| dynamic load capacity: | 50.1 kN |
| manufacturer upc number: | 7316577724366 |
| static load capacity: | 65.5 kN |
| r1,2 min. | 1 mm |
| s max. | 1.5 mm |
| da min. | 50 mm |
| Da min. | 69 mm |
| Da max. | 70 mm |
| ra max. | 1 mm |
| Basic dynamic load rating C | 50.1 kN |
| Basic static load rating C0 | 65.5 kN |
| Fatigue load limit Pu | 7.65 kN |
| Attainable speed for grease lubrication | 12000 r/min |
| Attainable speed for oil-air lubrication | 14000 r/min |
| Reference grease quantity Gref | 2.4 cm³ |
| Mass bearing | 0.38 kg |
