Double row crossed roller bearings

The double row cross roller bearings designed by MONTON Bearing can withstand loads in all directions, with high rigidity, high precision, simple structure and easy assembly, making them the most suitable rotating mechanism for composite machining machines. The double row cross roller bearing has installation holes on the inner and outer rings, and adopts a double row small-diameter roller design. The structure is simple and easy to install, and the bearing is directly fixed to the shaft or support seat through the installation holes. By increasing the number of rollers, high rigidity of the bearing can be achieved. The MRW type can specify the dynamic accuracy of the vibration bearing according to the machining position, measurement position, and actual working height position to meet the requirements of high rotational accuracy.

Product Details

MRW Type Double row crossed roller bearing
Designation	Inner ring	Outer Ring	Height	Loading rate
Designation	d	D	B/B1	C KN	Co KN
MRW145	100	185	20	24.6	59.3
MRW164	120	210	30	48.6	112
MRW195	150	240	30	54.1	136
MRW228	160	295	35	59.3	161
MRW230	180	280	40	87	215
MRW250	200	300	40	89.7	231
MRW297	210	380	40	101	288
MRW323	260	385	50	168	422
MRW388	325	450	50	199	558
MRW445	350	540	50	216	652
MRW463	395	525	50	208	634
MRW530	460	600	50	233	771
MRW665	580	750	60	334	1120
MRW760	650	870	60	360	1290

The processing s range of the double row cross roller bearings designed by MONTON Bearing is from the inner diameter of 100-650mm. Common models include MRW195, MRW228, MRW297, MRW445, etc. The highest precision is P2 level. The radial clearance of MRW double row cross roller bearings is adjusted to negative clearance (preload state) at the factory, which can be adjusted by the starting torque of the product. MRW type double row cross roller bearings do not have basic requirements for fitting, but when positioning accuracy is needed or the applied load is large, it is recommended to insert the shaft and support seat with a fitting tolerance of g6 and hole H7 for use. When higher rigidity is required, it is recommended to measure the inner and outer diameters of the bearing and adopt a slight interference fit based on the measured values. Before installing double row cross roller bearings, the appearance of the components should be checked, and they should be installed horizontally and locked with fixing bolts. When storing double row cross roller bearings, store them horizontally indoors and avoid high temperature, low temperature, and highly humid environments. Over time, the lubricant inside may deteriorate. Please check regularly and add lubricant before use.
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