ISO NK25/20 needle roller bearings
| Brand Name: | ISO |
| Model Number: | NK25/20 |
| Bearing number: | 6704 |
| Size (mm): | 20x27x4 |
| Bore Diameter (mm): | 20 |
| Outer Diameter (mm): | 27 |
| Width (mm): | 4 |
| d: | 20 mm |
| D: | 27 mm |
| B: | 4 mm |
| PDF |
NK25/20 |
Product Details
| Bearing number | 6704 |
| Size (mm) | 20x27x4 |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 27 |
| Width (mm) | 4 |
| d | 20 mm |
| D | 27 mm |
| B | 4 mm |
| C | 4 mm |
| r min. | 0,2 mm |
| da min. | 21,6 mm |
| da max | 22,3 mm |
| Da max. | 25,4 mm |
| ra max. | 0,2 mm |
| Weight | 0,0045 Kg |
| Basic dynamic load rating (C) | 1,04 kN |
| Basic static load rating (C0) | 0,73 kN |
| (Grease) Lubrication Speed | 5 000 r/min |
| (Oil) Lubrication Speed | 5 700 r/min |
| rs min | 0.2 mm |
| Radial clearance class | CN |
| Mass | 0.005 kg |
| Dynamic load, C | 1.04 kN |
| Static load, C0 | 0.73 kN |
| Fatigue limit load, Cu | 0.03 kN |
| f0 | 16.1 |
| Nlim (oil) | 5,700 rpm |
| Nlim (grease) | 5,000 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| da min | 21.6 mm |
| Da max | 25.4 mm |
| ra max | 0.2 mm |
| Category | Single Row Ball Bearing |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.005 |
| 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; 27MM Outside Diameter; 4MM Outer Race Width; Open; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; No Internal Special Features; C0-Medium Internal Clearance; Steel Cage |
| Other Features | Deep Groove |
| UNSPSC | 31171504 |
| Harmonized Tariff Code | 8482.10.50.68 |
| Noun | Bearing |
| Keyword String | Ball |
| Manufacturer Item Number | 6704 |
| Outer Race Width | 0.157 Inch | 4 Millimeter |
| Bore | 0.787 Inch | 20 Millimeter |
| Outside Diameter | 1.063 Inch | 27 Millimeter |
| Inner Race Width | 0 Inch | 0 Millimeter |
| bore diameter: | 20 mm |
| precision rating: | Class 0 |
| outside diameter: | 27 mm |
| finish/coating: | Uncoated |
| overall width: | 4 mm |
| bearing material: | High Carbon Chrome Steel |
| bore type: | Round |
| cage material: | Stainless Steel |
| closure type: | Open |
| inner ring width: | 4 mm |
| row type & fill slot: | Single Row Non-Fill Slot |
| outer ring width: | 4 mm |
| snap ring included: | Without Snap Ring |
| maximum rpm (grease): | 5000 rpm |
| internal clearance: | CN |
| maximum rpm (oil): | 5700 rpm |
| operating temperature range: | -40 to 120 ºC |
| fillet radius: | 0.2 mm |
| dynamic load capacity: | 1040 N |
| manufacturer product page: | Click here |
| static load capacity: | 730 N |
