adapter sleeve H304-H322 - Ningbo Eurotec Precision Industry Co., Ltd.

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adapter sleeve H304-H322

Adapter sleeves are using for locating bearings with a tapered bore onto a cylindrical seating as they can be used on smooth or stepped shafts. They are easy to mount and require no additional location on the shaft. When adapter sleeves are used on smooth shafts, the bearing can be located at any position on the shaft. When used on stepped shafts, together with an abutment ring, bearings can be accurately positioned axially and bearing dismounting is also facilitated

Basic design
ADP adapter sleeves are supplied complete with lock nut and locking device. Smaller sizes use a lock nut with a locking washer, larger sizes use a nut with locking clip. The sleeves are slotted and have an external taper of 1:12. ADP supplies–metric adapter sleeves, series designations H and OH–metric adapter sleeves for shafts with inch dimensions, series designations HA, HE and HS–adapter sleeves with inch dimensions, series designations SNW and SNP

Materials
The materials using in ADP adapter sleeves are carbon steel with a tensile strength at least 430N /mm²,
Dimensions
The dimensions of metric ADP adapter sleeves are in accordance with ISO 2982-1:1995; except the bore diameter of metric sleeves for inch shafts.The dimensions of ADP adapter sleeves with inch dimensions are in accordance with ANSI/ABMA Std. 8.2-1991.
Tolerances
The bore diameter of metric ADP adapter sleeves is to tolerance JS9, the width to h15.The tolerances of ADP adapter sleeves with inch dimensions are in accordance with ANSI/ABMA Std. 8.2-1991.

Thread
Metric ADP adapter sleeves up to size 40 have metric threads with 6g tolerances, according to ISO 965-3:1998. Larger adapter sleeves have metric trapezoidal threads with 7e tolerances, according to ISO 2903:1993.ADP adapter sleeves with inch dimensions up to and including size 64 (12 inch shaft diameter) have Unified Special Form threads (based on the old American National form, class 3 design). Larger sleeves have Acme Class 3G, General Purpose threads.

Shaft tolerances
Generally, the form tolerances must be kept within narrow limits as the accuracy of form directly affects the running accuracy of the bearing. shafts should be to an h9 tolerance but the cylindricity should be to IT5/2 according to ISO 1101:2004.

Designation	G	d	d1	d3	B1	B2	locknut	lockwashers
H304	M20×1	20	17	32	28	7	KM4	MB4
H305	M25×1.5	25	20	38	29	8	KM5	MB5
H306	M30×1.5	30	25	45	31	8	KM6	MB6
H307	M35×1.5	35	30	52	35	9	KM7	MB7
H308	M40×1.5	40	35	58	36	10	KM8	MB8
H309	M45×1.5	45	40	65	39	11	KM9	MB9
H310	M50×1.5	50	45	70	42	12	KM10	MB10
H311	M55×2	55	50	75	45	12	KM11	MB11
H312	M60×2	60	55	80	47	13	KM12	MB12
H313	M65×2	65	60	85	50	14	KM13	MB13
H314	M70×2	70	60	92	52	14	KM14	MB14
H315	M75×2	75	65	98	55	15	KM15	MB15
H316	M80×2	80	70	105	59	17	KM16	MB16
H317	M85×2	85	75	110	63	18	KM17	MB17
H318	M90×2	90	80	120	65	18	KM18	MB18
H319	M95×2	95	85	125	68	19	KM19	MB19
H320	M100×2	100	90	130	71	20	KM20	MB20
H321	M105×2	105	95	140	74	20	KM21	MB21
H322	M110×2	110	100	145	77	21	KM22	MB22

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