Miniature Mr105 Zz 2RS Deep Groove Ball Bearing High Speed 5X10X4 mm

Product Description

Product Description

The MR105 bearing, as a miniature deep groove ball bearing, plays a crucial role in numerous precision equipment fields. Despite its small size, it possesses powerful performance. 
From the structural composition perspective, the MR105 bearing consists of an inner ring, an outer ring, rolling elements, and a cage. The inner ring usually fits tightly with the shaft and rotates synchronously with it; the outer ring is installed in the bearing housing or related mechanical components, providing support. The rolling elements are made of high-strength steel balls, evenly distributed between the inner and outer ring raceways, reducing friction through rolling instead of sliding, significantly lowering the resistance during operation and ensuring smoother rotation, effectively reducing energy loss. The presence of the cage is crucial as it evenly separates the steel balls, preventing collisions and ensuring the smooth operation of the bearing and maintaining good accuracy. 
In terms of the working principle, when the shaft drives the inner ring to rotate, the rolling elements roll between the inner and outer ring raceways, efficiently transmitting the rotational motion and evenly distributing the load they bear. This design enables the MR105 bearing to maintain high accuracy even at high rotational speeds, ensuring that the related components operate according to the predetermined trajectory. However, if the lubrication conditions are poor or the sealing fails, the friction between the rolling elements and the raceways will increase, generating a large amount of heat, which will shorten the bearing's service life and even cause abnormal wear. 
The MR105 bearing has several remarkable performance advantages. Firstly, it has high speed adaptability, thanks to its precise structure and high-quality materials, it can operate stably at high rotational speeds, meeting the requirements of some equipment with strict rotational speed demands. Secondly, it has high rotational accuracy, with precisely machined raceways and precisely matched rolling elements, which control radial and axial runout within extremely small ranges, ensuring the stability and accuracy of equipment operation. Moreover, in a limited space, it can effectively bear a certain load, providing the possibility for the compact design of equipment. 
The application scenarios of the MR105 bearing are very extensive. In electric motors, it can ensure the efficient and stable rotation of the rotor, achieving efficient conversion of electrical energy to mechanical energy; in dental equipment, its high-precision operation characteristics ensure the precise operation of drill heads and other components, providing reliable support for medical work; in the joints of small robots, it helps the robot to move flexibly, achieving precise motion control; in some high-end remote control model cars, aircraft, helicopters, etc., the MR105 bearing, with its outstanding high-speed performance and rotational accuracy, enhances the control performance and flight stability of the models. If the MR105 bearing fails, the related equipment may experience abnormal noise, increased vibration, unstable rotational speed, and other problems, seriously affecting the normal operation of the equipment. Therefore, regular inspection of its lubrication conditions, sealing status, etc., and timely maintenance and care are important measures to ensure the long-term stable operation of the equipment.

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CATALOGUE

63series deep groove ball bearings
Bearing No.	Boundary Dimensions(mm)			Basic Load Rating(N)		Weight(KG)
	d	D	B	Cr	Cor
633	3	13	5	1050	450	0.0033
634	4	16	5	1139	420	0.005
635	5	19	6	2340	885	0.008
636	6	22	7	2550	1370	0.014
637	7	26	9	3500	2780	0.025
638	8	28	9	3540	1990	0.029
6000	10	26	8	4160	1780	0.019
6001	12	28	8	5110	2380	0.022
6002	15	32	9	5590	2840	0.03
6003	17	35	10	6000	3250	0.039
6004	20	42	12	9390	5020	0.069
6005	25	47	12	10060	5860	0.08
6006	30	55	13	11900	7460	0.12
6007	35	62	14	16210	10420	0.16
6008	40	68	15	17030	11700	0.19
6009	45	75	16	21080	14780	0.25
6010	50	80	16	22000	16260	0.26
6011	55	90	18	31500	18400	0.39
6012	60	95	18	30000	23000	0.42
6013	65	100	18	32000	25000	0.44
6014	70	110	20	38000	31000	0.6
6015	75	115	20	38000	31000	0.64
6016	80	125	22	47500	40000	0.85
6017	85	130	22	47500	40000	0.89
6018	90	140	24	63800	59000	1.15
6019	95	145	24	66700	62300	1.2
6020	100	150	24	72500	70000	1.25
6200 Series Miniature Deep Groove Ball Bearing
Bearing No.	Boundary Dimensions(mm)			Basic Load Rating(N)		Weight(KG)
	d	D	B	Cr	Cor
624	4	13	5	1150	400	0.0032
625	5	16	5	1880	680	0.0051
626	6	19	6	2800	1060	0.0086
627	7	22	7	3290	1360	0.0131
628	8	24	8	3330	1410	0.017
629	9	26	8	4160	1780	0.0191
6200	10	30	9	5110	2380	0.032
6201	12	32	10	6180	3060	0.037
6202	15	35	11	7450	3700	0.045
6203	17	40	12	9560	4780	0.065
6204	20	47	14	12840	6650	0.11
6205	25	52	15	14020	7930	0.13
6206	30	62	16	19460	11310	0.2
6207	35	72	17	25670	15300	0.29
6208	40	80	18	29520	181400	0.37
6209	45	85	19	32500	20400	0.41
6210	50	90	20	35000	32300	0.46
6211	55	100	21	43500	29200	0.61
6212	60	110	22	52500	36000	0.78
6213	65	120	23	57200	40100	0.99
6214	70	125	24	62000	44000	1.05
6215	75	130	25	66000	49500	1.2
6216	80	140	26	72500	53000	1.4
6217	85	150	28	83500	64000	1.8
6218	90	160	30	96000	71500	2.15
6219	95	170	32	109000	82000	2.6
6220	100	180	34	122000	93000	3.15

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