DEEP GROOVE BALL BEARINGS

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1 DEEP GROOVE BALL BEARINGS MOVING THE WHEELS OF THE INDUSTRY

2 ABOUT NRB INDUSTRIAL BEARINGS LIMITED NRB Industrial Bearings Ltd is the industrial arm of the NRB Group. We manufacture bearings for various industrial applications. Our capabilities, backed by strong industry experience and a state-of-the-art manufacturing facility in Aurangabad have enabled us to cater to many segments; industrial transmission, machine tool, electric motors and textile to name a few. Our produdct range consists of: Needle Roller Bearings Cam Followers Races Neeedle Bushes Spherical Roller Bearings Cylinderical Roller Bearings Angular Contact Ball Bearings Deep Groove Ball Bearings Self Aligning Ball Bearings Radial Ball Bearings Combined Bearings Housing Unit Taper Roller Bearings Bottom Roller Bearings Our manufacturing facility at Aurangabad has been awarded the Best Structural Award 2014 by the Aurangabad Civil Engineers Association. Today s applications demand continous operations at high speeds. To avoid expensive downtime, manufacturers prefer to use reliable products that are robust in operation and require less maintenance. Deep groove ball bearings are the most versatile and are used in a variety of applications. We also have an Agency Division which caters to the import requirement through reputed international manufacturers of slewing rings, super precision bearings, special bearings, linear bearings and precision components. In our endeavour to service our customers better, we also offer customized solutions. Our research and development team will study your application and give you the best possible solution. In everything that we do, we put our customers first. Our team of dedicated engineers can help you reduce machine downtime which increases the lifecycle of your prodct systems. Deep groove ball bearings are used in a vast array of applications. These bearings have uninterrupted raceway grooves. These grooves have close osculation with the balls, enabling these bearings to accomodate both radial and axial loads in both directions. Since these bearings are non-separable, they are easier to handle and can be mounted in either way; fixed or floating. NIBL offers its range of deep groove ball bearings. Manufactured in a state-of-the-art facility in Aurangabad and thoroughly tested, the bearings come in the range of the 60, 62 and 63 series. NIBL offers customized engineered solutions as well; our bearings can be manufactured in a variety of sizes and applications. At NIBLW, our knowledge keeps the wheels of the industry in motion.

3 DEEP GROOVE BALL BEARINGS TOLERANCES NIBL standard metric bearings are manufactured in accordance with normal tolerance class of ISO 492. RADIAL INTERNAL CLEARANCE (RIC) NIBL bearings are generally available in normal radial internal clearances. Bearings in normal radial intermal clearances. Bearings in other radial internal clearance groups can be supplied on request. The following table gives the RIC values for standard bearings. RADIAL INTERNAL CLEARANCE VALUES FOR RADIAL CONTACT GROOVE BALL BEARINGS WITH CYLINDERICAL BORE SUFFIXES C2 Radial internal clearance less than normal - marked C2 CN Normal grade of radial internal clearance - not marked C3 Radial internal clearance greater than normal- marked C3 C4 Radial internal clearance greater than C3 - marked C4 C5 Radial internal clearance greater than C4-marked C5 N Snap ring groove on the outer ring outside diameter NR Snap ring groove with snap ring RS One synthetic rubber seal 2RS Two synthetic rubber seals Z One metal shield ZZ Two metal shields Bore dia m m Radial internal clearance groups C2 CN C3 C4 C5 over incl min max min max min max min max min max

4 DEEP GROOVE BALL BEARINGS 60 Series 62 Series Inner bore d Bearing number Open With With shields seals Principal dimensions D B r Basic Load Rating (N) Dynamic C Static Co Limiting speed (r/min) Grease Oil Weight kg Inner bore d Bearing number Open With With shields seals Principal dimensions D B r Basic Load Ratiing (N) Dynamic C Static Co Limiting speed (r/min) Grease Oil Weight kg ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ RS RS RS RS RS RS RS RS RS RS RS RS RS RS , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,000 28,800 15,200-20,800 25,000 13,600-17,600 22,400 11,200-15,200 19,200 10,400-13,600 16,000 8,800-12,000 14,400 7,600-9,600 12,000 6,400-8,000 10,400 5,600-7,600 9,600 5,040-7,200 8,800 4,480-6,800 8,000 4,000-6,800 7,200 3,600-5,360 6,400 3,440-5,040 6,000 3, ,120 0, ,390 0, ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ 629 2RS RS RS RS RS RS RS RS RS RS RS RS RS RS RS , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,400 27,200 14,400-19,200 24,000 13,600-17,600 22,400 12,000-15,200 19,200 10,400-13,600 16,000 9,600-12,000 14,400 8,000-9,600 12,000 6,800-8,000 10,400 6,000-7,200 8,800 5,040-6,800 8,000 4,480-6,000 7,200 4,000-5,600 6,800 3,840-5,040 6,000 3,440-4,800 5,600 3,200 5,600 4,240 5,240 2, , ,780 0,780

5 DEEP GROOVE BALL BEARINGS 63 Series INDUSTRIES NIBL s product range has the ability to reach across different applications and industries. Our products are designed to ensure maximum productivity. From light applications like machine tools and food and beverage to heavy machinery, our products are designed to withstand varied temperatures, operating conditions, speeds and loads. Inner bore d Bearing number Open with with shields seals Principal dimensions D B r Basic Load Rating (N) Dynamic C Static Co Limiting speed (r/min) Grease Oil Weight kg Production Machinery Mining & Processing ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ ZZ RS RS RS RS RS RS RS RS RS RS RS RS RS , , , , , , , , , , , , , , , ,000 27,200 14,400-19,200 24,000 13,600-15,200 19,200 10,400-13,600 16,000 9,600-12,000 14,400 8,000-9,000 12,000 6,800-8,000 10,400 6,000-7,200 8,800 5,040-6,800 8,000 4,480-6,000 7,200 3,840-5,600 6,800 3,480-5,040 6,000 3,440-4,800 5,600 3,200 5, Textile Machinery Industrial Gears Material Handling Electric Motors

6 NOTES NOTES

7 NRB INDUSTRIAL BEARINGS LTD REGD OFFICE DHANNUR, 2ND FLOOR, 15, SIR P.M. ROAD, FORT, MUMBAI INDIA Tel: (022) , FAX: (022) PLANT PLOT N. B-18, FIVE STAR M.I.D.C. AREA, SHENDRA, AURANGABAD TEL: marketing@nibl.in Website:

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