Double Row Cylindrical Roller Bearing | ||||||||
NN Series | ||||||||
Bearing No. | Basic Load Rating (N) | Mass | ||||||
Cylindrical bore | Tapered bore | d | D | B | r (min) | C | Co | kg |
NN3005 | NN3005K | 25 | 47 | 16 | 0.6 | 25700 | 30000 | 0.123 |
NN3006 | NN3006K | 30 | 55 | 19 | 1.0 | 30500 | 37000 | 0.199 |
NN3007 | NN3007K | 35 | 62 | 20 | 1.0 | 39000 | 50000 | 0.258 |
NN3008 | NN3008K | 40 | 68 | 21 | 1.0 | 43000 | 55500 | 0.312 |
NN3009 | NN3009K | 45 | 75 | 23 | 1.0 | 49500 | 65500 | 0.405 |
NN3010 | NN3010K | 50 | 80 | 23 | 1.0 | 52500 | 72500 | 0.454 |
NN3011 | NN3011K | 55 | 90 | 26 | 1.1 | 69000 | 96500 | 0.651 |
NN3012 | NN3012K | 60 | 95 | 26 | 1.1 | 73000 | 106000 | 0.704 |
NN3013 | NN3013K | 65 | 100 | 26 | 1.1 | 76500 | 116000 | 0.758 |
NN3014 | NN3014K | 70 | 110 | 30 | 1.1 | 97000 | 148000 | 1.040 |
NN3015 | NN3015K | 75 | 115 | 30 | 1.1 | 96000 | 149000 | 1.140 |
NN3016 | NN3016K | 80 | 125 | 34 | 1.1 | 118000 | 186000 | 1.520 |
NN3017 | NN3017K | 85 | 130 | 34 | 1.1 | 125000 | 201000 | 1.610 |
NN3018 | NN3018K | 90 | 140 | 37 | 1.5 | 142000 | 228000 | 2.070 |
NN3019 | NN3019K | 95 | 145 | 37 | 1.5 | 150000 | 246000 | 2.170 |
NNU4920 | NNU4920K | 100 | 140 | 40 | 1.1 | 155000 | 305000 | 1.770 |
NN3020 | NN3020K | 100 | 150 | 37 | 1.5 | 156000 | 265000 | 2.260 |
NNU4921 | NNU4921K | 105 | 145 | 40 | 1.1 | 161000 | 325000 | 1.850 |
NN3021 | NN3021K | 105 | 160 | 41 | 2.0 | 197000 | 320000 | 2.890 |
NNU4922 | NNU4922K | 110 | 150 | 40 | 1.1 | 165000 | 335000 | 1.930 |
NN3022 | NN3022K | 110 | 170 | 45 | 2.0 | 227000 | 375000 | 3.680 |
NNU4924 | NNU4924K | 120 | 165 | 45 | 1.1 | 183000 | 360000 | 2.650 |
NN3024 | NN3024K | 120 | 180 | 46 | 2.0 | 238000 | 405000 | 3.980 |
NNU4926 | NNU4926K | 130 | 180 | 50 | 1.5 | 275000 | 565000 | 3.550 |
NN3026 | NN3026K | 130 | 200 | 52 | 2.0 | 283000 | 475000 | 5.920 |
NNU4928 | NNU4928K | 140 | 190 | 50 | 1.5 | 281000 | 585000 | 3.800 |
NN3028 | NN3028K | 140 | 210 | 53 | 2.0 | 297000 | 515000 | 6.440 |
NNU4930 | NNU4930K | 150 | 210 | 60 | 2.0 | 350000 | 715000 | 5.9500 |
NN3030 | NN3030K | 150 | 225 | 56 | 2.1 | 335000 | 585000 | 7.810 |
NNU4932 | NNU4932K | 160 | 220 | 60 | 2.0 | 365000 | 760000 | 6.2500 |
NN3032 | NN3032K | 160 | 240 | 60 | 2.1 | 370000 | 660000 | 8.920 |
NNU4934 | NNU4934K | 170 | 230 | 60 | 2.0 | 375000 | 805000 | 6.6000 |
NN3034 | NN3034K | 170 | 260 | 67 | 2.1 | 450000 | 805000 | 12.600 |
NNU4936 | NNU4936K | 180 | 250 | 69 | 2.0 | 480000 | 1020000 | 9.500 |
NN3036 | NN3036K | 180 | 280 | 74 | 2.1 | 560000 | 995000 | 16.600 |
NNU4938 | NNU4938K | 190 | 260 | 69 | 2.0 | 485000 | 1060000 | 10.000 |
NN3038 | NN3038K | 190 | 290 | 75 | 2.1 | 590000 | 1080000 | 17.500 |
NNU4940 | NNU4940K | 200 | 280 | 80 | 2.1 | 570000 | 1220000 | 10.100 |
NN3040 | NN3040K | 200 | 310 | 82 | 2.1 | 650000 | 1170000 | 21.600 |
NNU4944 | NNU4944K | 220 | 300 | 80 | 2.1 | 595000 | 1330000 | 15.500 |
NN3044 | NN3044K | 220 | 340 | 90 | 3.0 | 810000 | 1480000 | 28.400 |
NNU4948 | NNU4948K | 240 | 320 | 80 | 2.1 | 610000 | 1410000 | 17.000 |
NN3048 | NN3048K | 240 | 360 | 92 | 3.0 | 850000 | 1600000 | 31.800 |
NNU4952 | NNU4952K | 260 | 360 | 100 | 2.1 | 925000 | 2100000 | 28.300 |
NN3052 | NN3052K | 260 | 400 | 104 | 4.0 | 1080000 | 2070000 | 46.000 |
NNU4956 | NNU4956K | 280 | 380 | 100 | 2.1 | 950000 | 2230000 | 30.300 |
NN3056 | NN3056K | 280 | 420 | 106 | 4.0 | 1080000 | 2080000 | 49.600 |
NNU4960 | NNU4960K | 300 | 420 | 118 | 3.0 | 1220000 | 2880000 | 46.700 |
NN3060 | NN3060K | 300 | 460 | 118 | 4.0 | 1430000 | 2740000 | 68.700 |
NNU4964 | NNU4964K | 320 | 440 | 118 | 3.0 | 1270000 | 3050000 | 49.600 |
NN3064 | NN3064K | 320 | 480 | 121 | 4.0 | 1430000 | 2750000 | 74.000 |
01 Roller Bearing
Cylindrical Roller Bearings | Spherical Roller Bearings |
Taper Roller Bearings | Needle Roller Bearings |
Main Applications | |
Medium and large motors | traction motors |
generators | internal combustion engines |
combustion turbines | machine tool spindles |
speed reduction devices | shipping machinery |
***various industrial machinery*** |
What We Do
Comprehensive product range:
- Bearings
- Oil seals, Transmission belt
- Chain and Sprocket
- Hub assembly & Wheel bearings
- Coupling, castings
- Linear motion
1. We have the most advanced bearing process equipment, CNC automatic facilities, and testing instruments.
2. We manufacture ball bearings and mounted bearing units, and also provide a strong full range of products, including electric motors and components One-stop partnerships products from our audited supply chain.
3. All products are manufactured exclusively by companies with ISO 9001:2008 certified Quality Systems which use state-of-the-art machines. The quality path starts from the beginning to deliver and goods' quality trackable
Advantage | |
Advanced Automatic Lines | Comprehensive Range |
Premium Quality | Sustainability |
Our Values
Behavior-based, service-oriented, focused on results and committed to continuous improvement
Factory
To be a leader in providing the best valuable (Reasonable cost, Reliable quality) supply of precision rollers.
Providing this value, will help our customers remain competitive in the global marketplace.
Please see detailed introduction about our manufacturing process and measuring process.
Advantage Manufacturing Processes and Quality Control:
01Heat Treatment
02 Centerless Grinding Machine 11200 (most advanced)
03 Automatic Production Lines for Raceway
04 Automatic Production Lines for Raceway
05 Ultrasonic Cleaning of Rings
06 Automatic Assembly
07 Ultrasonic Cleaning of Bearings
08 Automatic Greasing, Seals Pressing
09Measurement of Bearing Vibration (Acceleration)
10 Measurement of Bearing Vibration (Speed)
11 Laser Marking
12 Automatic Packing
Granville as a manufacturer of high quality products, guarantees compliance with the highest standards relative to the use of the best steel quality in the production process, the highest standards in the design of contact surfaces, as well as the most efficient packing and lubrication of parts. From material coming, quality control through all processes. Except interal test, goods to third party inspection if required. After the center of inspection and experiment being founded, effective methods of inspecting all kinds of raw materials are mastered and then the reliability of bearings is ensured. One of our main objectives is the continued improvement in the quality of our products and processes, in pursuit of which we obtained ISO certification 9001:2008 and TS16949.
Q1.Can you accept OEM and customization?
A: Yes. We can customize it according to the samples and drawings you provide.
Q2.Do you keep a stock of these things?
A: In stocks
Q3.Can you provide samples free of charge?
A: Yes. We can provide samples free of charge. But the freight is paid by the customer.
Q4.What's the delivery date?
A:The delivery time of sample orders is 3 working days.The bulk orders are 5-10 working days.
Q5: Why your price is higher than others?
A: Price = quality . We firmly believe that by the quality of the customer is always get more reliable than on price . So we insist on doing high-quality products.
Q6:What kind of transport do you have ?
A: According to the weight,we will choose the most appropriate mode of transport for you. Our freight forwarding is efficient and cheap.