Technical datas of single row deep groove ball bearings 311KDDB
d | 55 | mm | ||
D | 120 | mm | ||
B | 29 | mm | ||
d1 | ≈ | 75.34 | mm | |
D2 | ≈ | 103.7 | mm | |
r1,2 | min. | 2 | mm | |
Abutment dimensions | ||||
da | min. | 66 | mm | |
da | max. | 75.2 | mm | |
Da | max. | 109 | mm | |
ra | max. | 2 | mm | |
Calculation data | ||||
Basic dynamic load rating | C | 79.2 | kN | |
Basic static load rating | C0 | 67 | kN | |
Fatigue load limit | Pu | 2.85 | kN | |
Reference speed | 10000 | r/min | ||
Limiting speed | 5000 | r/min | ||
Calculation factor | kr | 0.05 | ||
Mass | ||||
Mass bearing | 1.5 | kg |
Code analyse of 311KDDB bearings
K=non-filling slot
DD=ZZ, shields on both side
B=bearing with spherical outer rings
Application of 311KDDB bearing
311KDDB single row deep groove ball bearing is been used as heavy equipment and manufacturing equipment parts and accessories, gearbox, tranmissions etc.
Product pictures of bearing 311KDDB
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Large bearings ex-stock, can arrange shipment within 7 working days, most items can achieve within 3 days delivery.
For more deep groove bearings, please talk with Mr Gavin Chu for more details.(gavinchu@sunrises-group.com)