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Deep Groove Ball Bearings >> Bearing vibration noise specification

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Bearing vibration noise specification
Table 1

Bore diameter (mm)	Deep groove ball bearing accelerating vibration(dB)
	Diameter seines(0)				Diameter seines(2)					Diameter seines(3)
	Z	Z1	Z2	Z3	Z	Z1	Z2	Z3	Z4	Z	Z1	Z2	Z3	Z4
3	35	34	32	28	36	35	32	30	-	37	36	33	31	-
4	35	34	32	28	36	35	32	30	-	37	36	33	31	-
5	37	36	34	30	38	37	34	32	-	39	37	35	33	-
6	37	36	34	30	38	37	34	32	-	39	37	35	33	-
7	39	38	35	31	40	38	36	34	-	-	-	-	-	-
8	39	38	35	31	40	38	36	34	-	-	-	-	-	-
9	41	40	36	32	42	40	37	35	-	-	-	-	-	-
10	43	42	38	33	44	42	39	35	30	46	44	40	37	32
12	44	43	39	34	45	43	39	35	30	47	45	40	37	32
15	45	44	40	35	46	44	41	36	31	48	46	42	38	33
17	46	44	40	35	47	45	41	36	31	49	47	42	38	33
20	47	45	41	36	48	46	42	38	33	50	48	43	39	34
22	47	45	41	36	48	46	42	38	33	50	48	43	39	34
25	48	46	42	38	49	47	43	40	36	51	49	44	41	37
28	49	47	43	39	50	48	44	41	37	52	50	45	42	38
30	49	47	43	39	50	48	44	41	37	52	50	45	42	38
32	50	48	44	40	51	49	45	43	38	53	51	46	43	39
35	51	49	45	41	52	50	46	42	39	54	52	47	44	40
40	53	51	46	42	54	52	47	43	40	56	54	49	45	41
45	55	53	48	45	56	54	49	44	43	58	56	51	47	44
50	57	54	50	47	58	55	51	46	45	60	57	53	49	46
55	59	56	52	49	60	57	53	50	47	62	59	54	51	48
60	61	58	54	51	62	59	54	51	48	64	61	56	53	50

According to related standard, the vibration noise (dB) of bearigs for their vibration under acceleration are divided into four groups:Z1,Z2,Z3and Z4. Also they can be divided into four groups in according to vibration speed (u m/s):V1,V2,V3 and V14.
Normlly, common bearings sre delivered with Z1 group vibration value if no special requirement from customers while the bearings for export will be delivered with vibration Z2 group specification. However, please note your special requirement on vibratoin inyour order.
Single bearing vibration noise under acceleration (dB) specification is shown on table.
Single bearing vibration speed (u m/s) specification is shown on table.

Table2

Bore diameter (mm)	Deep groove ball bearing accelerating vibration (dB)
	Diameter seines(0)			Diameter seines(2)				Diameter seines(3)
	Z	Z1	Z2	Z	Z1	Z2	Z3	Z	Z1	Z2	Z3
65	49	48	46	50	49	47	42	51	50	48	43
70	50	49	47	51	50	48	43	52	51	49	44
75	51	50	48	52	51	49	44	53	52	50	45
80	52	51	49	53	52	50	45	54	53	51	46
85	53	52	50	54	53	51	46	56	55	52	47
90	54	53	52	56	55	53	48	58	57	54	49
95	56	55	54	58	57	55	50	60	59	56	51
100	58	57	56	60	59	57	52	62	61	58	53
105	60	59	58	62	61	59	54	64	63	60	55
110	62	61	60	64	63	61	56	66	65	62	57
120	64	63	62	66	65	63	58	68	67	64	59

Bore diameter (mm)	Deep groove ball bearing accelerating vibration (u m/s)
	V1			V2			V3			V4
	L	M	H	L	M	H	L	M	H	L	M	H
3	60	35	32	48	26	31	31	16	15	28	10	10
4	60	35	32	48	26	31	31	16	15	28	10	10
5	74	48	40	58	36	35	35	21	18	32	11	11
6	74	48	40	58	36	35	35	21	18	32	11	11
7	92	66	54	72	48	44	44	28	24	38	12	12
8	92	66	54	72	48	44	44	28	24	38	12	12
9	92	66	54	72	48	44	44	28	24	38	12	12
10	120	80	70	90	60	55	55	35	30	45	14	15
12	120	80	70	90	60	55	55	35	30	45	14	15
15	150	100	85	110	78	65	65	46	35	52	18	18
17	150	100	85	110	78	65	65	46	35	52	25	25
20	180	125	100	130	100	80	80	60	45	60	25	25
22	180	125	100	130	100	80	80	60	45	60	30	32
25	180	125	100	130	100	80	80	60	45	60	30	32
28	180	125	100	130	100	80	80	60	45	60	35	40
30	200	150	130	150	120	90	90	75	60	70	35	40
32	200	150	130	150	120	90	90	75	60	70	35	40
35	200	150	130	150	120	90	90	75	60	70	42	45
40	240	180	160	180	150	110	110	90	80	82	50	50
45	240	180	160	180	150	110	110	90	80	82	60	60
50	280	200	200	210	160	125	125	100	100	95	70	70
55	280	220	200	210	180	125	125	110	110	95	70	70
60	320	220	240	240	180	145	145	110	130	100	80	80
65	180	160	240	130	100	105	105	80	105	50	50	75
70	200	180	280	150	120	110	110	90	135	58	58	88
75	200	180	280	150	120	110	110	90	135	58	58	88
80	240	210	320	180	120	130	130	110	160	65	65	100
85	240	210	320	180	150	130	130	110	160	65	65	100
90	290	250	370	210	180	145	145	125	180	75	75	115
95	290	250	370	210	180	145	145	125	180	75	75	115
100	340	300	420	250	215	170	170	145	200	88	88	135
105	340	300	420	250	215	170	170	145	200	88	88	135
110	400	350	480	290	260	190	190	175	225	100	100	160
120	400	350	480	290	260	190	190	175	225	100	100	16

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Factory Add:Cixi Industral Zone , CIE Zone A3 , 315300 , Cixi Ningbo P.R. China
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deep groove ball bearing	Angular Contact Ball Bearing	pillow blocks	Self-aligning Ball Bearings
automobile_bearings	Bearings	Bearings Unit	tapered roller bearings
clutch release bearing	needle bearing	Water Pump bearings	Auto Steering bearing
linear bearing	special bearings	Spherical Plain Bearings	roller bearing