6988 KOYO Single-row deep groove ball bearings
| Brand Name: | KOYO |
| Model Number: | 6988 |
| Bearing number: | 6809 |
| Size (mm): | 45x58x7 |
| Bore Diameter (mm): | 45 |
| Outer Diameter (mm): | 58 |
| Width (mm): | 7 |
| d: | 45 mm |
| D: | 58 mm |
| B: | 7 mm |
| PDF |
6988 |
Product Details
| Bearing number | 6809 |
| Size (mm) | 45x58x7 |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 58 |
| Width (mm) | 7 |
| d | 45 mm |
| D | 58 mm |
| B | 7 mm |
| C | 7 mm |
| r min. | 0,3 mm |
| da min. | 47 mm |
| da max | 48 mm |
| Da max. | 56 mm |
| ra max. | 0,3 mm |
| Weight | 0,04 Kg |
| Basic dynamic load rating (C) | 5,35 kN |
| Basic static load rating (C0) | 4,95 kN |
| (Grease) Lubrication Speed | 11 000 r/min |
| (Oil) Lubrication Speed | 12 000 r/min |
| rs min | 0.3 mm |
| Radial clearance class | CN |
| Mass | 0.04 kg |
| Dynamic load, C | 5.35 kN |
| Static load, C0 | 4.95 kN |
| Fatigue limit load, Cu | 0.23 kN |
| f0 | 16.1 |
| Nlim (oil) | 12,000 rpm |
| Nlim (grease) | 11,000 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.47 Hz |
| Characteristic rolling element frequency, BSF | 14.65 Hz |
| Characteristic outer ring frequency, BPF0 | 11.65 Hz |
| Characteristic inner ring frequency, BPFI | 13.35 Hz |
| da min | 47 mm |
| Da max | 56 mm |
| ra max | 0.3 mm |
| Category | Single Row Ball Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.04 |
| Product Group | B00308 |
| Enclosure | Open |
| Precision Class | ABEC 1 | ISO P0 |
| Maximum Capacity / Filling Slot | No |
| Rolling Element | Ball Bearing |
| Snap Ring | No |
| Internal Special Features | No |
| Cage Material | Steel |
| Internal Clearance | C0-Medium |
| Inch - Metric | Metric |
| Long Description | 45MM Bore; 58MM Outside Diameter; 7MM Outer Race Diameter; Open; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; No Internal Special Features |
| UNSPSC | 31171504 |
| Harmonized Tariff Code | 8482.10.50.68 |
| Noun | Bearing |
| Keyword String | Ball |
| Manufacturer Item Number | 6809 |
| Weight / LBS | 0.088 |
| Outside Diameter | 2.283 Inch | 58 Millimeter |
| Bore | 1.772 Inch | 45 Millimeter |
| Outer Race Width | 0.276 Inch | 7 Millimeter |
| bore diameter: | 45 mm |
| precision rating: | Class 0 |
| outside diameter: | 58 mm |
| finish/coating: | Uncoated |
| overall width: | 7 mm |
| bearing material: | High Carbon Chrome Steel |
| bore type: | Round |
| cage material: | Steel |
| closure type: | Open |
| inner ring width: | 7 mm |
| row type & fill slot: | Single Row Non-Fill Slot |
| outer ring width: | 7 mm |
| snap ring included: | Without Snap Ring |
| maximum rpm (grease): | 11000 rpm |
| internal clearance: | CN |
| maximum rpm (oil): | 12000 rpm |
| operating temperature range: | -40 to 120 ºC |
| fillet radius: | 0.3 mm |
| dynamic load capacity: | 5350 N |
| manufacturer product page: | Click here |
| static load capacity: | 4950 N |
