转盘轴承(回转支承)四点接触球轴承(QW系列)

1、转盘轴承（回转支承）四点接触球轴承（QW系列）单排四点接触球型回转支承由两个座圈组成，结构紧凑，重量轻，钢球与圆弧滚道四点接触，能同时承受轴向力、径向力和倾翻力矩。回转式输送机、焊接操作机、中小型起重机和挖掘机等工程机械均可选用。 The single row four point contact ball type slewing bearing is composed of 2 seat rings it features compaction design lighten weight. The balls contact with the circular race at four p

2、oints, via which the axial force. Radial force and tipping moment may be born simultaneously it may be used for slewing conveyers. Welding operating consoles light, medium duty cranes, excavators and other engineering machines.型号表示方法：单排球式回转支承型式（QW系列）1、 按齿轮传动方式分为：a. W外齿式；b. N内齿式；c. U无齿式。2、 按安装孔型式分为：a

3、. A型内、外圈安装孔均为通孔；b. B型内、外圈安装孔均为螺孔；c. C型外圈安装孔为螺孔，内圈安装孔为通孔；d. D型外圈安装孔为通孔，内圈安装孔为螺孔。3、 按精度等级分为：a. 精密级；b. 普通级。用G标注的是精密级，不加标注的是普通级。4、 齿轮模数分类代号中，用“A”标注的是该规格的大模数，不加标注的是该规格的小模数。标记示例：单排球式回转支承，外齿式，外圈螺孔内圈通孔连接，滚道中心直径1250mm，钢球直径40mm，齿轮模数m=12，普通级：回转支承QWC 1250 . 40A JG/T661999表1 QW型基本参数系列表(表1)序号型 号外 形 尺 寸安 装 孔 尺 寸外

4、齿 轮 参 数JG/T66-1999通 孔螺 孔质量DdnHhDuDn1nDuDnd1TnzmddaLXkgmmmmmmmm1QW400.1648031860104483521512448352M1428121433.5500.550444-0.545QW400.16A1254500504462QW450.1653036849840212498402121573.5549.555351QW450.16A1384552556523QW500.165804185484521454845214150460060458QW500.16A1215605610584QW560.16640478608512

5、1460851214165466066465QW560.16A1335665670665QW560.20654464706185021714618502M16301416946766805078QW560.20A1365680685796QW630.207245346885721668857216186474484786QW630.20A1505750755887QW710.208046147686521876865218166583083599QW710.20A13968348401018QW800.2089470485874220858742201546924930114QW800.20A

6、11689289361149QW800.25904692788647362218864736M203618156693694258143QW800.25A118894495214710QW900.2510047929648362096483620130810401048162QW900.25A105101050106016811QW1000.251104892106493624106493624143811441152182QW1000.25A115101150116018512QW1000.32112087690107492624241074926M224024144811521160702

7、27QW1000.32A116101160117023213QW1120.321240996119410462811941046281291012901300272QW1120.32A108121296130827514QW1250.3213701126132411763213241176321421014201430302QW1250.32A119121428144030915QW1400.3215201276147413263614741326361311215721584337QW1400.32A113141582159634716QW1250.401390110810212133611

8、64263213361164M244532144101440145080396QW1250.40A120121440145239217QW1440.4015401258148613143614861314361331215961608448QW1440.40A114141596161044318QW1600.4017401458168615144016861514401501218001812528QW1600.40A129141806182053419QW1800.4019401658188617144418861714441431420022016583QW1800.4A126162016

9、203260720QW1600.501762143412417041496304017041496M2750401511218121824100714QW1600.50A130141820183472721QW1800.50196416341241219041696304419041696M2750441451420302044100-0.5845QW1800.50A127162032204884322QW2000.5021621834210418964821041896481391622242240912QW2000.5A124182232225092723QW2240.5024022074

10、2344213654234421365415416246424801020QW2240.50A1381824842502107824QW2500.50266223342604239660260423966015218273627541171QW2500.50A1372027402760117525QW2500.60269623041501426262374336026262374M30566015418277227901221677QW2500.60A1392027802800170126QW2800.60299226042926267466292626746617018306030781817QW2800.60A1542030803100190427QW3150.60334229543276302472327630247217120342034402087QW3150.60A1562234323454213928QW3550.60374223543676342478367634247819120382038402355QW3550.60A1542538503875250029QW4000.60420038044126387480412638748019522429043122787QW4000.60A17225