KOYO NK19/20A Needle Non Thrust Roller Bearings
| Place of Origin |
Check Distributor Service |
| Brand Name |
Check Distributor |
| Certification |
Original certificate |
| Model Number |
KOYO NK19/20A |
| Min.Order Quantity |
check bearing service company |
| Price |
Contact With Authorized agent |
| Packaging Details |
Original industrial package |
| Delivery Time |
Within 5 working days |
| Payment Terms |
paypal,UnionPay, Visa/MasterCard, Amex, Discover,T/T |
| Supply Ability |
244 |
Product Features
Check Distributor KOYO NK19/20A bearing Size Chart (mm/inches) |
|---|
| d | 180 mm |
| D | 280 mm |
| B | 74 mm |
| D1 | 255 mm |
| rs min | 2.1 mm |
| Number of lubrication holes | 3 |
| b | 13.2 mm |
| k | 6 mm |
| Associated sleeve reference | H3036 |
| e | 0.23 |
| Y1 | 2.95 |
| Y2 | 4.4 |
| Y0 | 2.89 |
| Radial clearance class | C4 |
| Mass | 16.53 kg |
| Dynamic load, C | 1,080 kN |
| Static load, C0 | 1,450 kN |
| Fatigue limit load, Cu | 113 kN |
| Nref | 2,000 rpm |
| Nlim | 2,500 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 200 °C |
| Characteristic cage frequency, FTF | 0.44 Hz |
| Characteristic rolling element frequency, BSF | 8.42 Hz |
| Characteristic outer ring frequency, BPF0 | 10.61 Hz |
| Characteristic inner ring frequency, BPFI | 13.39 Hz |
| da min | 190.2 mm |
| Da max | 269.8 mm |
| ra max | 2 mm |