Apex Precision Mechatronix Pvt. Ltd. Offers Linear Motion Cross Roller Rings. Apex Precision Mechatronix Pvt. Ltd. Supplies Linear Motion Systems, Pneumatic Products, Gears, Racks & Pinions, ACS Motion Control, Safety Couplings, Precision Locknuts Locking Elements, etc. Apex Precision Mechatronix Pvt. Ltd is ISO certified company. The Linear Motion Cross Roller Rings is specially developed for machines tool application. The Roller Rings are of two types, RB and RE Types.