Noise-SHANGHAI SNZ BEARINGS COMPANY LIMITED

Noise

Materials Accuracy Noise Clearance Packing Lubriation

The vibriation and noise standard of SNZ bearings are as follows.

SINGLE BEARING VIBRATION SPEED GRADE CAN NOT BE OVER THE FOLLOWING VALUES

Bore DiameterMm	Diameter Series(1)		Diameter Series(2)			Diameter Series(3)
Bore DiameterMm	Z1	Z2	Z1	Z2	Z3	Z1	Z2	Z3
4	34	32	35	32	30	36	33	31
5	36	34	37	34	32	37	35	33
6	36	34	37	34	32	37	35	33
7	38	35	38	36	34	-	-	-
8	38	35	38	36	34	-	-	-
9	40	36	40	37	35	-	-	-
10	42	38	42	39	35	44	40	37
12	43	39	43	39	35	45	40	37
15	44	40	44	41	36	46	42	38
17	44	40	45	41	36	47	42	38
20	45	41	46	42	38	48	43	39
25	46	42	47	43	40	49	44	41
30	47	43	48	44	41	50	45	42
35	49	45	50	46	43	52	47	44
40	51	46	52	47	44	54	49	45
45	53	48	54	49	46	56	51	47
50	54	50	55	51	48	57	53	49
55	56	52	57	53	50	59	54	51
60	58	54	59	54	51	61	56	53
65	48	46	49	47	42	50	48	43
70	49	47	50	48	43	51	49	44
75	50	48	51	49	44	52	50	45
80	51	49	52	50	45	53	51	46
85	52	50	53	51	46	55	52	47
90	53	52	55	53	48	57	54	49
95	55	54	57	55	50	59	56	51
100	57	56	59	57	52	61	58	53

SINGLE BEARING VIBRATION SPEED GRADE ALLOWED THE LIMIT VALUE

Bore DiameterDMm	V1			V2			V3
Bore DiameterDMm	Low frequency	Medium frequency	High frequency	Low frequency	Medium frequency	High frequency	Low frequency	Medium frequency	High frequency
5	90	60	50	58	36	30	35	21	18
6	90	60	50	58	36	30	35	21	18
7	110	80	65	72	48	40	44	28	24
8	110	80	65	72	48	40	44	28	24
9	110	80	65	72	48	40	44	28	24
10	140	100	85	90	60	50	55	35	30
12	140	100	85	90	60	50	55	35	30
15	180	130	100	110	78	60	65	46	35
17	180	130	100	110	78	60	65	46	35
20	220	160	125	130	100	75	80	60	45
22	220	160	125	130	100	75	80	60	45
25	220	160	125	130	100	75	80	60	45
30	250	200	160	150	120	100	90	75	60
35	250	200	160	150	120	100	90	75	60
40	300	250	220	180	150	130	110	90	80
45	300	250	220	180	150	130	110	90	80
50	350	270	270	210	160	160	125	11100	100
55	350	300	300	210	180	180	125	110	110
60	400	300	370	240	180	220	145	110	130
65	250	220	350	160	130	180	105	80	105
70	300	260	390	180	150	230	110	90	135
75	300	260	390	180	150	230	110	90	135
80	350	300	450	210	180	270	130	110	160
85	350	300	450	210	180	270	130	110	160
90	400	350	500	240	210	300	145	125	180
95	400	350	500	240	210	300	145	125	180
100	470	410	565	280	245	340	170	145	204

2023-10-31

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