bearing mini ball bearing 623 deep groove ball bearing size 3*10*4mm chrome steel bearing

Single row deep groove ball bearings are manufactured as open type (unsealed), sealed and shielded, the most popular sizes of deep groove ball bearings are also produced in sealed versions with shields or contact seals on one or both sides, the bearings with shields or seals on both sides are lubricated for life and are maintenance free. A sealed bearings seals has contact on the bearings inner and outer, a shielded bearings shield has contact on the outer only, and shielded bearings are primarily intended for applications where the inner ring rotates. If the outer ring rotates, there is a risk that the grease will leak from the bearing at high speeds.

 

Principal Dimensions:
Inside diameter d	10mm
Outside diameter D	30mm
Width B	9mm

 

 

deep groove ball bearing size list

New No.	Old NO.	ID	OD	B	Mass
6200	200	10	30	9	0.032
6201	201	12	32	10	0.037
6202	202	15	35	11	0.045
6203	203	17	40	12	0.065
6204	204	20	47	14	0.106
6205	205	25	52	15	0.128
6206	206	30	62	16	0.199
6207	207	35	72	17	0.288
6208	208	40	80	18	0.368
6209	209	45	85	19	0.416
6210	210	50	90	20	0.463
6211	211	55	100	21	0.603
6212	212	60	110	22	0.789
6213	213	60	120	23	0.99
6214	214	70	125	24	1.084
6215	215	75	130	25	1.171
6216	216	80	140	26	1.448
6217	217	85	150	28	1.803
6218	218	90	160	30	2.17
6219	219	95	170	32	2.62
6220	220	100	180	34	3.19