needle roller bearing sleeve NA4828 SKF
We 20x37x9 work closely with 20 Bore Diameter (mm) our Pioneer Machinery Source needle roller bearing sleeve NA4828 SKF manufacturing partners to bring the best value to customers.
| 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 |
Product Details
| 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 |
Company Profile
| Worktime |
7:00AM - 6:00PM |
| Phone |
0065 82577418 |
| Fax |
0065 82577552 |
