| Bearing number | 6904 |
| Size (mm) | 20x37x9 |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 37 |
| Width (mm) | 9 |
| d | 20 mm |
| D | 37 mm |
| B | 9 mm |
| C | 9 mm |
| r min. | 0,3 mm |
| da min. | 22 mm |
| da max | 24 mm |
| Da max. | 35 mm |
| ra max. | 0,3 mm |
| Weight | 0,036 Kg |
| Basic dynamic load rating (C) | 6,4 kN |
| Basic static load rating (C0) | 3,7 kN |
| (Grease) Lubrication Speed | 19 000 r/min |
| (Oil) Lubrication Speed | 23 000 r/min |
| rs min | 0.3 mm |
| Radial clearance class | CN |
| Mass | 0.02 kg |
| Dynamic load, C | 6.4 kN |
| Static load, C0 | 3.7 kN |
| Fatigue limit load, Cu | 0.17 kN |
| f0 | 14.7 |
| Nlim (oil) | 23,000 rpm |
| Nlim (grease) | 19,000 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 5.82 Hz |
| Characteristic outer ring frequency, BPF0 | 4.58 Hz |
| Characteristic inner ring frequency, BPFI | 6.42 Hz |
| da min | 22 mm |
| Da max | 35 mm |
| ra max | 0.3 mm |
| Category | Single Row Ball Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.03 |
| 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 | 20MM Bore; 37MM Outside Diameter; 9MM 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 | 6904 |
| Weight / LBS | 0.067 |
| Outside Diameter | 1.457 Inch | 37 Millimeter |
| Bore | 0.787 Inch | 20 Millimeter |
| Outer Race Width | 0.354 Inch | 9 Millimeter |
| bore diameter: | 20 mm |
| finish/coating: | Uncoated |
| outside diameter: | 37 mm |
| bearing material: | High Carbon Chrome Steel |
| overall width: | 9 mm |
| cage material: | Steel |
| bore type: | Round |
| inner ring width: | 9 mm |
| closure type: | Open |
| outer ring width: | 9 mm |
| row type & fill slot: | Single Row Non-Fill Slot |
| maximum rpm (grease): | 19000 rpm |
| snap ring included: | Without Snap Ring |
| maximum rpm (oil): | 23000 rpm |
| internal clearance: | CN |
| fillet radius: | 0.3 mm |
| operating temperature range: | -40 to 120 ºC |
| maximum rpm: | 23000 RPM |
| dynamic load capacity: | 6400 N |
| series: | 69 |
| static load capacity: | 3700 N |
| manufacturer product page: | Click here |
| precision rating: | Class 0 |
