SKF 7221 CD/P4A 轴承

SKF 7221 CD/P4A 轴承

专业经营SKF 7221 CD/P4A 轴承 ，，滚珠丝杠副，螺杆，导轨，工作台，精密主轴，滑块等传动部件，兼营动力配件。备有大量库存型号品种齐全，为满足客户维修需求，可以提供Rexroth [标签:简略标题]与各种技术支持和产品替换服务-NSK THK ISSOKU KOYO KSS KURODA PGM REXROTH SHUTON STAR THOMSON TSUBAKI 等，欢迎垂询。SKF 7221 CD/P4A 轴承 ,相关产品为：SKF C71917 DB/P7 轴承  SKF 7009 FB/P7 轴承  SKF 71911 FB/P7 轴承  SKF 234430 BM1/SP 轴承  SKF 71920 ACE/HCP4A 轴承  SKF NN 3019 TN9/SP 轴承  SKF S71910 ACD/P4A 轴承  SKF 7203 ACD/HCP4A 轴承  摘要： Boundary dimensions bearing internal diameter range d [mm] 80-119 bearing internal diameter d [mm] 105 0-0,008 bearing external diameter D [mm] 190 0-0,011 bearing width B [mm] 36 0-0,2 d1 [mm] 131 D1 [mm] 164 Abutment and fillet dimensions r1, r2 [mm] 2,1 r3, r4 [mm] 1,1 contact angle %26alpha; [°] 15 a [mm] 38 da [mm] 117 Other bearing features Db [mm] 183 Da [mm] 178 ra [mm] 2 rb [mm] 1 Seal no oil nozzle position dn [mm] 138,4 Speed rating with grease [1/min] 7 500 Speed rating with oil [1/min] 12 000 dynamic load rating C [N] 172000 static load rating Co [N] 153000 fatigue load limit Pu [N] 5 300 calculation factor [fo ] 15 Light preload Class A [N] 650 Medium preload Class B [N] 1 300 Heavy preload Class C [N] 2 600 mean diameter P [mm] 147,5 ball diameter dw [mm] 26,98 ball number [Z ] 15 Bearing materials All-steel Mass [kg] 3,76