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询购	下载	查看	尺寸 in	尺寸 mm
询购	下载	查看	d₁	d₁	d	d₃	B₁
			2 1/4	57.15	65	85	40
			2 1/4	57.15	65	85	50
			2 1/4	57.15	65	85	50
			2 1/4	57.15	65	85	65
			2 3/8	60.325	65	85	40
			2 3/8	60.325	65	85	50
			2 3/8	60.325	65	85	65
			2 7/16	61.913	75	98	43
			2 7/16	61.913	75	98	55
			2 7/16	61.913	75	98	55
			2 7/16	61.913	75	98	73
			2 1/2	63.5	75	98	43
			2 1/2	63.5	75	98	55
			2 1/2	63.5	75	98	55
			2 1/2	63.5	75	98	73
			2 5/8	66.675	75	98	43
			2 5/8	66.675	75	98	55
			2 5/8	66.675	75	98	73
			2 11/16	68.263	80	105	46
			2 11/16	68.263	80	105	59
			2 11/16	68.263	80	105	59
			2 11/16	68.263	80	105	78
			2 3/4	69.85	80	105	46
			2 3/4	69.85	80	105	59