16004 KOYO 20x42x8mm Bearing No. 16004 Deep groove ball bearings
| Bearing number | 16004 |
| Size (mm) | 20x42x8 |
| Brand | KOYO |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 42 |
| Width (mm) | 8 |
| d | 20 mm |
| D | 42 mm |
| B | 8 mm |
| C | 8 mm |
| r min. | 0.3 mm |
| da min. | 22 mm |
| Da max. | 40 mm |
| ra max. | 0.3 mm |
| Weight | 0.05 Kg |
| Basic dynamic load rating (C) | 7.95 kN |
| Basic static load rating (C0) | 4.5 kN |
| (Grease) Lubrication Speed | 17000 r/min |
| (Oil) Lubrication Speed | 21000 r/min |
| Precision Class | ABEC 1 | ISO P0 |
| Category | Single Row Ball Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | KOYO |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.054 |
| Product Group – BDI | B00308 |
| Enclosure | Open |
| 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; 42MM Outside Diameter; 8MM Outer Race Diameter; Open; Ball Bearing; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; No Internal Special Features |
| Category – BDI | Single Row Ball Bearing |
| UNSPSC | 31171504 |
| Harmonized Tariff Code | 8482.10.50.68 |
| Noun | Bearing |
| Keyword String | Ball |
| Manufacturer URL | http://www.koyousa.com |
| Manufacturer Item Number | 16004 |
| Weight / LBS | 0.119 |
| Outside Diameter | 1.654 Inch | 42 Millimeter |
| Bore | 0.787 Inch | 20 Millimeter |
| Outer Race Width | 0.315 Inch | 8 Millimeter |
| Bearing No. | 16004 |
| r(min) | 0.3 |
| Cr | 9.90 |
| C0r | 4.50 |
| Cu | 0.290 |
| f0 | 14.4 |
| Grease lub. | 17000 |
| Oil lub. | 21000 |
| da(min) | 22 |
| Da(max) | 40 |
| ra(max) | 0.3 |
| (Refer.)Mass(kg) | 0.050 |
Detailed Parameters
parameter：
| RNA5911 Needle roller bearings | Fw:63 mm ，Bore Diameter :63mm ，Brand:CX ，Width :34mm ，Outer Diameter :80mm ，Size :63x80x34mm |
| NU2317 Cylindrical roller bearings | Bore Diameter :85mm ，Brand:CYSD ，Size :85x180x60mm ，Outer Diameter :180mm |
| GW 070 Plain bearings | Bore Diameter :70mm ，Size :70x160x50mm ，Brand:CX ，Outer Diameter :160mm |
| W 638/9-2Z Deep groove ball bearings | Brand:SKF ，Size :17x9x6mm ，Bore Diameter :17mm ，Outer Diameter :9mm ，d:9 mm ，Width :6mm |
| TA 1020 Z Needle roller bearings | Outer Diameter :17mm ，Bore Diameter :10mm ，Brand:IKO ，Size :10x17x20mm |
| 1104KRR Deep groove ball bearings | Brand:Timken ，Width :37.7mm ，Bore Diameter :31.75mm ，Size :31.75x72x37.7mm ，Outer Diameter :72mm |
| BK3816 Cylindrical roller bearings | Size :38x45x16mm ，Width :16mm ，Brand:CX ，Bore Diameter :38mm ，Outer Diameter :45mm |
| 1312 Self aligning ball bearings | Outer Diameter :130mm ，Brand:ISO ，Size :60x130x31mm ，Bore Diameter :60mm ，Width :31mm ，d:60 mm |
| 23076R Spherical roller bearings | Outer Diameter :560mm ，Size :380x560x135mm ，Bore Diameter :380mm ，Brand:KOYO |
| NK55/35 Needle roller bearings | Size :55x68x35mm ，Bore Diameter :55mm ，Brand:ISO ，Outer Diameter :68mm ，Width :35mm |
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