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挡圈：孔用弹性

DIN 472

DIN 472 - Retaining rings for bores - Normal type and heavy type

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孔用弹性挡圈，是轴用挡圈 DIN 471 的内装对应件：挡圈压缩后穿过孔，在孔壁的沟槽内张开定位，带装配孔的耳部朝向内侧。挡圈用于在孔内定位滚动轴承等零件并传递轴向力。分标准型和重型。DIN 472:2026-05的规格为孔径×挡圈厚度，重型是用于同一孔和沟槽的较厚挡圈。

DIN 472

几何

×
座孔直径
厚度
自由状态外径
耳部宽度
挡圈径向宽度
耳部孔径
槽径
槽宽
沟槽至孔端的最小距离
产品 挡圈类型 座孔直径, mm 厚度, mm 自由状态外径, mm 耳部宽度, mm 挡圈径向宽度, mm 耳部孔径, mm 槽径, mm 槽宽, mm 沟槽至孔端的最小距离, mm
DIN 472 retaining ring 160x4 normal normal 160 4 169 13 11.6 4 165 4.15 7.5
DIN 472 retaining ring 165x4 normal normal 165 4 174.5 13 11.8 4 170 4.15 7.5
DIN 472 retaining ring 170x4 normal normal 170 4 179.5 13.5 12.2 4 175 4.15 7.5
DIN 472 retaining ring 175x4 normal normal 175 4 184.5 13.5 12.7 4 180 4.15 7.5
DIN 472 retaining ring 180x4 normal normal 180 4 189.5 14.2 13.2 4 185 4.15 7.5
DIN 472 retaining ring 185x4 normal normal 185 4 194.5 14.2 13.7 4 190 4.15 7.5
DIN 472 retaining ring 190x4 normal normal 190 4 199.5 14.2 13.8 4 195 4.15 7.5
DIN 472 retaining ring 195x4 normal normal 195 4 204.5 14.2 13.8 4 200 4.15 7.5
DIN 472 retaining ring 200x4 normal normal 200 4 209.5 14.2 14 4 205 4.15 7.5
DIN 472 retaining ring 210x5 normal normal 210 5 222 14.2 14 4 216 5.15 9
DIN 472 retaining ring 220x5 normal normal 220 5 232 14.2 14 4 226 5.15 9
DIN 472 retaining ring 230x5 normal normal 230 5 242 14.2 14 4 236 5.15 9
DIN 472 retaining ring 240x5 normal normal 240 5 252 14.2 14 4 246 5.15 9
DIN 472 retaining ring 250x5 normal normal 250 5 262 14.2 14 4 256 5.15 9
DIN 472 retaining ring 260x5 normal normal 260 5 275 16.2 16 5 268 5.15 12
DIN 472 retaining ring 270x5 normal normal 270 5 285 16.2 16 5 278 5.15 12
DIN 472 retaining ring 280x5 normal normal 280 5 295 16.2 16 5 288 5.15 12
DIN 472 retaining ring 290x5 normal normal 290 5 305 16.2 16 5 298 5.15 12
DIN 472 retaining ring 300x5 normal normal 300 5 315 16.2 16 5 308 5.15 12