止め輪：穴用C形

DIN 472

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

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軸用C形止め輪 DIN 471 に対応する内側用の穴用C形止め輪で、縮めて穴に通し、穴の内壁の溝に広がってはまり、取付け穴のある耳部は内側を向きます。転がり軸受などの部品を穴の中で位置決めし、軸方向の力を伝えます。標準形と重荷重形があります。DIN 472:2026-05の呼びは穴径×厚さの組で表し、重荷重形は同じ穴と溝に対する厚い止め輪です。

製品	止め輪の形式	ハウジング穴径, mm	厚さ, mm	自由状態の外径, mm	耳部の幅, mm	止め輪の径方向幅, mm	耳部の穴径, mm	溝径, mm	溝幅, mm	溝から穴端までの最小距離, mm
DIN 472 retaining ring 160x4	normal	160	4	169	13	11.6	4	165	4.15	7.5
DIN 472 retaining ring 165x4	normal	165	4	174.5	13	11.8	4	170	4.15	7.5
DIN 472 retaining ring 170x4	normal	170	4	179.5	13.5	12.2	4	175	4.15	7.5
DIN 472 retaining ring 175x4	normal	175	4	184.5	13.5	12.7	4	180	4.15	7.5
DIN 472 retaining ring 180x4	normal	180	4	189.5	14.2	13.2	4	185	4.15	7.5
DIN 472 retaining ring 185x4	normal	185	4	194.5	14.2	13.7	4	190	4.15	7.5
DIN 472 retaining ring 190x4	normal	190	4	199.5	14.2	13.8	4	195	4.15	7.5
DIN 472 retaining ring 195x4	normal	195	4	204.5	14.2	13.8	4	200	4.15	7.5
DIN 472 retaining ring 200x4	normal	200	4	209.5	14.2	14	4	205	4.15	7.5
DIN 472 retaining ring 210x5	normal	210	5	222	14.2	14	4	216	5.15	9
DIN 472 retaining ring 220x5	normal	220	5	232	14.2	14	4	226	5.15	9
DIN 472 retaining ring 230x5	normal	230	5	242	14.2	14	4	236	5.15	9
DIN 472 retaining ring 240x5	normal	240	5	252	14.2	14	4	246	5.15	9
DIN 472 retaining ring 250x5	normal	250	5	262	14.2	14	4	256	5.15	9
DIN 472 retaining ring 260x5	normal	260	5	275	16.2	16	5	268	5.15	12
DIN 472 retaining ring 270x5	normal	270	5	285	16.2	16	5	278	5.15	12
DIN 472 retaining ring 280x5	normal	280	5	295	16.2	16	5	288	5.15	12
DIN 472 retaining ring 290x5	normal	290	5	305	16.2	16	5	298	5.15	12
DIN 472 retaining ring 300x5	normal	300	5	315	16.2	16	5	308	5.15	12

DIN 472

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