Noise test by vibration level for deep groove ball bearings | Findling Wälzlager

Noise test by vibration level for deep groove ball bearings | Findling Wälzlager

05/27/2020

Testing according to BVT-1 is also possible for special requirements. These bearings are classified into V, V1, V2, V3 and V4 according to the tolerance in µm/s.

d	V [μm/s]				V1 [μm/s]				V2 [μm/s]				V3 [μm/s]				V4 [μm/s]
mm	Low	Med	High		Low	Med	High		Low	Med	High		Low	Med	High		Low	Med	High
3,4	80	44	44		60	35	32		48	26	22		31	16	15		28	10	10
5,6	110	72	60		74	48	40		58	36	30		35	21	18		32	11	11
7,8,9	130	96	80		92	66	54		72	48	40		44	28	24		38	12	12
10,12	160	120	100		120	80	70		90	60	50		55	35	30		45	14	15
15	210	150	120		150	100	85		110	78	60		65	46	35		52	18	18
17	210	150	120		150	100	85		110	78	60		65	46	35		52	25	25
20	260	190	150		180	125	100		130	100	75		80	60	45		60	25	25
22,25	260	190	150		180	125	100		130	100	75		80	60	45		60	30	32
28	260	190	150		180	125	100		130	100	75		80	60	45		60	35	40
30,32	300	240	190		200	150	130		150	120	100		90	75	60		70	35	40
35	300	240	190		200	150	130		150	120	100		90	75	60		70	42	45
40	360	300	260		240	180	160		180	150	130		110	90	80		82	50	50
45	360	300	260		240	180	160		180	150	130		110	90	80		82	60	60
50	420	320	320		280	200	200		210	160	160		125	100	100		95	70	70
55	420	360	360		280	220	200		210	180	180		125	110	110		95	70	70
60	480	360	440		320	220	240		240	180	200		145	110	130		100	80	80

Technology
Deep-groove ball bearings