Italy MARZOCCHI pump 1BK7D2.5,
| Place of Origin |
ITALY |
| Brand Name |
MARZOCCHI |
| Certification |
ISO14001,CE.ISO9001 |
| Model Number |
1BK7D2.5, |
| Min.Order Quantity |
contact us |
| Price |
contact us |
| Packaging Details |
standard package |
| Delivery Time |
3-5 workdays |
| Payment Terms |
T/T,Western Union |
| Supply Ability |
contact us |
Product Features
MARZOCCHI 1BK7D2.5, bearing Size Chart (mm/inches) |
|---|
| Bearing number | 71830 CD/HCP4 |
| Size (mm) | 190x150x20 |
| Bore Diameter (mm) | 190 |
| Outer Diameter (mm) | 150 |
| Width (mm) | 20 |
| d | 150 mm |
| D | 190 mm |
| B | 20 mm |
| d1 | 163.35 mm |
| d2 | 163.35 mm |
| D1 | 176.7 mm |
| r1,2 - min. | 1.1 mm |
| r3,4 - min. | 0.6 mm |
| a | 32.8 mm |
| da - min. | 156 mm |
| db - min. | 156 mm |
| Da - max. | 184 mm |
| Db - max. | 186.8 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| dn | 165.6 mm |
| Basic dynamic load rating - C | 52 kN |
| Basic static load rating - C0 | 72 kN |
| Fatigue load limit - Pu | 2.4 kN |
| Limiting speed for grease lubrication | 7000 r/min |
| Limiting speed for oil lubrication | 11000 mm/min |
| Ball - Dw | 11.112 mm |
| Ball - z | 35 |
| Gref | 13 cm3 |
| Calculation factor - f0 | 17.3 |
| Preload class A - GA | 270 N |
| Preload class B - GB | 820 N |
| Preload class C - GC | 1630 N |
| Calculation factor - f | 1.37 |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.1 |
| Calculation factor - f2C | 1.18 |
| Calculation factor - fHC | 1.02 |
| Preload class A | 151 N/micron |
| Preload class B | 262 N/micron |
| Preload class C | 384 N/micron |
| d1 | 163.35 mm |
| d2 | 163.35 mm |
| D1 | 176.7 mm |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 156 mm |
| db min. | 156 mm |
| Da max. | 184 mm |
| Db max. | 186.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| dn | 165.6 mm |
| Basic dynamic load rating C | 52 kN |
| Basic static load rating C0 | 72 kN |
| Fatigue load limit Pu | 2.36 kN |
| Attainable speed for grease lubrication | 7000 r/min |
| Attainable speed for oil-air lubrication | 11000 r/min |
| Ball diameter Dw | 11.112 mm |
| Number of balls z | 35 |
| Reference grease quantity Gref | 13 cm³ |
| Preload class A GA | 270 N |
| Static axial stiffness, preload class A | 151 N/µm |
| Preload class B GB | 820 N |
| Static axial stiffness, preload class B | 262 N/µm |
| Preload class C GC | 1630 N |
| Static axial stiffness, preload class C | 384 N/µm |
| Calculation factor f | 1.37 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.1 |
| Calculation factor f2C | 1.18 |
| Calculation factor fHC | 1.02 |
| Calculation factor f0 | 17.3 |
| Mass bearing | 0.98 kg |