
Wind Turbine Bearings: Enhancing Efficiency in Renewable Energy
Bearings are an indispensable part of almost all industrial machinery, household appliances, automobiles, construction equipment, and nearly everything – that has a moving part. From
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Founded in 1946, National Engineering Industries Ltd (NEI) is India’s leading bearings manufacturer and exporter, renowned for excellence in quality and delivery.
These are the most commonly found ball bearings in the manufacturing industry, commonly used for automobiles, household appliances, garden tools, office machinery, etc.
Deep groove ball bearings are widely preferred across industries owing to its versatility. These are flexible to the needs of customers and come in various sizes. Their versatility is due to their ability to accommodate radial and axial loads in either direction, making them easy to maintain.
Products | Principal Dimensions | Basic Load Ratings | Speed Ratings | ||||
---|---|---|---|---|---|---|---|
Dynamic | Static | Reference speed | Limiting speed | ||||
d [mm] | D [mm] | B [mm] | C [kn] | Co [kn] | [r/min] | [r/min] | |
6205 | 25 | 52 | 15 | 15.50 | 7.85 | 13000 | 15000 |
6204 | 20 | 47 | 14 | 15.21 | 6.7 | 16000 | 18000 |
6206 | 30 | 62 | 16 | 21.60 | 11.3 | 11000 | 13000 |
6202 | 15 | 35 | 11 | 8.60 | 3.6 | 19000 | 23000 |
6203 | 17 | 40 | 12 | 10.60 | 4.6 | 18000 | 21000 |
6004 | 20 | 42 | 12 | 10.40 | 5.05 | 18000 | 21000 |
6201 | 12 | 32 | 10 | 7.66 | 3.1 | 22000 | 26000 |
6208 | 40 | 80 | 18 | 32.50 | 18 | 8700 | 10000 |
6305 | 25 | 62 | 17 | 23.50 | 10.9 | 12000 | 14000 |
6005 | 25 | 47 | 12 | 11.20 | 5.85 | 15000 | 18000 |
6207 | 35 | 72 | 17 | 28.40 | 15.3 | 9800 | 11000 |
6001 | 12 | 28 | 8 | 5.65 | 2.39 | 26000 | 30000 |
6002 | 15 | 32 | 9 | 6.20 | 2.84 | 22000 | 26000 |
6003 | 17 | 35 | 10 | 7.55 | 3.35 | 20000 | 24000 |
6210 | 50 | 90 | 20 | 39.00 | 23.2 | 7100 | 8300 |
6306 | 30 | 72 | 19 | 30.08 | 14.5 | 10000 | 12000 |
6307 | 35 | 80 | 21 | 37.00 | 19.2 | 8800 | 10000 |
6308 | 40 | 90 | 23 | 45.07 | 22.9 | 7800 | 9200 |
6310 | 50 | 110 | 27 | 68.50 | 38 | 6400 | 7500 |
6006 | 30 | 55 | 13 | 14.70 | 8.3 | 13000 | 15000 |
6209 | 45 | 85 | 19 | 36.00 | 20.5 | 7800 | 9200 |
6212 | 60 | 110 | 22 | 52.95 | 32.9 | 6000 | 7000 |
6304 | 20 | 52 | 15 | 17.65 | 7.85 | 14000 | 17000 |
6309 | 45 | 100 | 25 | 58.50 | 32 | 7000 | 8200 |
6007 | 35 | 62 | 14 | 17.70 | 10.3 | 12000 | 14000 |
6008 | 40 | 68 | 15 | 18.60 | 11.5 | 10000 | 12000 |
6200 | 10 | 30 | 9 | 6.64 | 2.64 | 25000 | 30000 |
6000 | 10 | 26 | 8 | 5.05 | 1.96 | 29000 | 34000 |
6211 | 55 | 100 | 21 | 48.00 | 29.3 | 6400 | 7600 |
6312 | 60 | 130 | 31 | 90.50 | 52 | 5400 | 6300 |
6010 | 50 | 80 | 16 | 24.20 | 16.6 | 8400 | 9800 |
6301 | 12 | 37 | 12 | 10.80 | 4.2 | 20000 | 24000 |
6302 | 15 | 42 | 13 | 12.70 | 5.54 | 17000 | 21000 |
6303 | 17 | 47 | 14 | 15.00 | 6.55 | 16000 | 19000 |
6311 | 55 | 120 | 29 | 79.50 | 44.4 | 5800 | 6800 |
Variations based on number of rows:
Variations based on size of bearings:
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Bearings are an indispensable part of almost all industrial machinery, household appliances, automobiles, construction equipment, and nearly everything – that has a moving part. From
Self-lubricating bearings, also referred to as maintenance-free bearings lubricate on their own while operating. The bearings are impregnated with lubricants within the sliding layer or
~ Channel partners from across India join NBC’s vision to Innovate, Elevate, and Accelerate ~ Jaipur, 14 April 2025: National Engineering Industries Ltd. (NEI), part
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