QJ228N2MA four point contact ball bearings
Product Description
QJ228N2MA four point contact ball bearings
d - 140 mm
D - 250 mm
B - 42 mm
C - 42 mm
Angle (α) - 35 °
Weight - 9,8 Kg
Basic dynamic load rating (C) - 315 kN
Basic static load rating (C0) - 775 kN
(Grease) Lubrication Speed - 2 000 r/min
(Oil) Lubrication Speed - 2 800 r/min
About BHR Bearing ( Shenzhen Qinggong Bearing Co, Ltd.)
Shenzhen Qinggong Bearing Co., Ltd. （www.bhrbearing.cn）is a well-know bearing manufacturer in China since the year 1996 with its own factory. Despite our own BHR bearings, we also distribute kinds of famous branded bearings from worldwide manufacturers SKF, FAG, NSK, KOYO, NTN, NACHI, ASAHI, TOYOTA......and OEM can also be supplied.
We Shenzhen Qinggong Bearing Co., Ltd. is focused and committed to deliver our customers high quality products and solutions because they are at the core of everything we do. By combining technology with our design engineering expertise we are able to offer a breadth of advanced bearings and solutions.
With variety of bearings, competitive prices, fast delivery and good after-sale service, hope we will get a chance to talk bearings together.
Four point contact ball bearing catalogue:
| P.N. | d (mm) | D(mm) | B(mm) | (kgs) |
| QJ302 | 15 | 42 | 13 | 0.15 |
| QJ303 | 17 | 47 | 14 | 0.18 |
| QJ304 | 20 | 52 | 15 | 0.22 |
| QJ305 | 25 | 62 | 17 | 0.2 |
| QJ306 | 30 | 72 | 19 | 0.42 |
| QJ307 | 35 | 80 | 21 | 0.57 |
| QJ308 | 40 | 90 | 23 | 0.78 |
| QJ309 | 45 | 100 | 25 | 1.05 |
| QJ310 | 50 | 110 | 27 | 1.35 |
| QJ311 | 55 | 120 | 29 | 1.75 |
| QJ312 | 60 | 130 | 31 | 2.15 |
| QJ313 | 65 | 140 | 33 | 2.7 |
| QJ314 | 70 | 150 | 35 | 3.18 |
| QJ315 | 75 | 160 | 37 | 3.9 |
| QJ316 | 80 | 170 | 39 | 4.6 |
| QJ317 | 85 | 180 | 41 | 5.34 |
| QJ318 | 90 | 190 | 43 | 6.4 |
| QJ319 | 95 | 200 | 45 | 7.4 |