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Four Point Angular Contact Ball Bearing Single Row Angular Contact Ball Bearing Angular Contact Ball Bearing1
Four Point Contact Ball Bearing, Angular Contact Ball Bearing, Double Row Angular Contact Ball Bearing
Tianjin Reet Bearing Co., Ltd.
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Product Description Four point contact ball bearing is a separate bearing, which can also be said to be a set of angular contact ball bearings that can bear two-way axial load. The inner and outer raceways are peach shaped sections. When there is no load or pure radial load, the steel ball and ferrule show four-point contact, which is also the origin of this name. When there is only pure axial load, the steel ball and ferrule become two-point contact and can bear two-way axial load. Four point contact ball bearing can also bear moment load, and has the functions of single row angular contact ball bearing and double row angular contact ball bearing. The four point contact ball bearing can work normally only when two-point contact is formed. Therefore, it is generally applicable to those occasions where there is two-point contact under pure axial load or synthetic load with large axial load. The four-point contact ball bearing has high limit speed and is also suitable for those occasions with high-speed operation.DesignationSizedynamicstaticLimiting speedd[mm]D[mm]B[mm]C[kN]C0[kN][r/min] QJ 202 N2MA 15 35 11 12.7 8.3 36 000 QJ 203 N2MA 17 40 12 17 11.4 30 000 QJ 303 N2MA 17 47 14 23.4 15 28 000 QJ 304 MA 20 52 15 32 21.6 24 000 QJ 304 N2MA 20 52 15 32 21.6 24 000 QJ 304 N2PHAS 20 52 15 32 21.6 24 000 QJ 205 MA 25 52 15 27 21.2 22 000 QJ 305 MA 25 62 17 42.5 30 20 000 QJ 305 N2MA 25 62 17 42.5 30 20 000 QJ 206 MA 30 62 16 37.5 30.5 19 000 QJ 206 N2MA 30 62 16 37.5 30.5 19 000 QJ 306 MA 30 72 19 53 41.5 17 000 QJ 306 N2MA 30 72 19 53 41.5 17 000 QJ 306 N2PHAS 30 72 19 53 41.5 17 000 QJ 207 N2MA 35 72 17 49 41.5 17 000 QJ 307 MA 35 80 21 64 51 15 000 QJ 307 N2MA 35 80 21 64 51 15 000 QJ 307 N2PHAS 35 80 21 64 51 15 000 QJ 208 MA 40 80 18 56 49 15 000 QJ 208 N2MA 40 80 18 56 49 15 000 QJ 208 PHAS 40 80 18 56 49 15 000 QJ 308 MA 40 90 23 78 64 14 000 QJ 308 N2PHAS 40 90 23 78 64 14 000 QJ 209 MA 45 85 19 63 56 14 000 QJ 309 MA 45 100 25 100 83 12 000 QJ 309 N2MA 45 100 25 100 83 12 000 QJ 309 N2PHAS 45 100 25 100 83 12 000 QJ 309 PHAS 45 100 25 100 83 12 000 QJ 210 MA 50 90 20 65.5 61 13 000 QJ 310 MA 50 110 27 118 100 11 000About usTIANJIN REET BEARING.CO.,LTD is a professional bearing manufacturer and exporter.We have a wealth of technical.All producing processes are finished in our manufactory. As an ISO9001:2000 certified manufacturer,we will solve various problems in application and use of our bearings. Our company is an authorized distributor of FAG, INA, TIMKEN and other world brand bearings.Our company has the right to self-export bearings and launches its own brand RTB.Our bearing had been exported to more than twenty countries worldwide and are warmly welcomed.We're looking forward to your order.FAQ1.Is the company a production factory or a trading company?TIANJIN REET BEARING CO.,LTD is a manufacturing enterprise focusing on bearings and integrating research, production and sales.2.How many the MOQ of your company?Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.3.Does the company accept OEM or customized bearings?In addition to standard products, we also supply non-standard and modified standard products for special application. Meanwhile, we provide OEM service.4.Can the company provide free samples?We can provide samples for free. You only need to provide shipping.5.What are the company's delivery terms?We can accept EXW,FOB,CFR,CIF,etc. You can choose the one which is the most convenient cost effective for you.
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