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Sound Collar Needle Roller Bearing NK21/sixteen NK21/twenty NK22/sixteen NK22/20 NK24/sixteen NK24/20 NK25/16 NK25/20 NK25/thirty NK26/sixteen NK26/twenty NK28/twenty NK28/thirty NK29/twenty NK29/thirty
Causes to choose Guomai Bearings as your unbiased needle roller/rolling bearings partner
1. Bearing designing: Guomai has our very own bearing R&D group and adopts Germany technologies. This allows us to provide OEM and ODM services to you.
2. Creation method:We strictly comply with the 5S manufacturing approach and acquired ISO9001:2008 high quality management technique certification. Besides, we launched from overseas ept popular makes lathes and warmth remedy tools, this permits us to offer high precision bearings with equivalent high quality to ept popular manufacturers this kind of as SKF, ,TIMKEN,NSK,NTN,KOYO,NACHI and so on.
3. Resources: To guarantee the higher high quality of bearings, we use high carbon chrome bearing steel which gives high rigidity, and higher resistance to abrasive wear to make the bearings. Low carbon chilly rolled steel and reduced carbon stainless steel is also utilised according to customers’ needs.
4. High quality inspection: All bearings will be strictly tested before packing. We have Taylor talysurf, hardness meter,clearance detector,vibration(velocity) measuring instrument,roundness instrument to promise all bearings are experienced with the requirements.
5. Lubricants: Suited lubricants are employed to defend the bearings from oxidation or corrosion of areas therefore permit our bearings with lengthier lifetime, reduced noise and greater substantial temperature performance. Variety of lubricants is typically ruled by the bearing software. Correct selection of high quality lubricants could avoid metallic to steel contact and perform heat absent from the bearings.
six. Packing: Guomai bearings pay out focus to each element in the bearing manufacturing process. We undertake plastic bag, Kraft paper, thick paper box and cartons to safeguard the bearings from unexpectable hurt throughout the transportation and warehouse stock.
seven. Manufacturing unit direct advertising: We are the manufacturing facility and not the distributor or ept agent, so we could provide the exact same quality with competitive cost.
What is Needle Roller Bearing?
A needle roller bearing is a specific type of roller bearing which utilizes extended, skinny cylindrical rollers loo ept like stitching needles. Rollers of ordinary roller bearings are only a bit lengthier than their diameter, but needle rollers are at minimum four occasions more time than their diameter. Like all the other bearings, they are employed to minimize the friction of rotating area.
In comparison to ball bearings and other conventional roller bearings, needle bearings have a larger surface spot in get in touch with with the raceways, so they can assistance a better radial load but not axial load. They are also thinner, so they demand significantly less clearance between the axle and the encompassing framework.
Needle bearings are widely used in ept elements these kinds of as rocker arm pivots, pumps, compressors, and transmissions. The travel shaft of a rear-wheel drive automobile usually has at minimum eight needle bearings (4 in every U joint) and frequently far more if it is particularly lengthy, or operates on steep slopes.
Various types of needle bearings are available in a broad variety of measurements and tolerances, for a multitude of applications such as gearboxes, automotive energy transmission methods, two and 4 stroke engines, planetary gear sets and air compressors.
Needle roller and cage assemblies are supplied in one or double row, sound or break up cage, metric and inch sizes. Solitary and double row bearings are obtainable with or without ribs, and with or without internal rings.
Needle roller/rolling bearings requirements
| Shaft Diameter | Bearing Designation and Mass Approx | Boudary Dimensions | Basic Load Ranking | Restricting Speed | ||||||||
| Open up | Shut | FW | D | C | Cr Dynamic | Cor Static | Oil | |||||
| mm | Existing | Unique | Mass(g) | Present | Unique | Mass(g) | mm | N | rpm | |||
| four | HK0408TN | 37941/four | one.six | BK0408TN | 35941/four | one.8 | four | eight | eight | 1540 | 1070 | 40000 |
| five | HK0509 | 47941/five | two | BK0509 | 45941/5 | 2.one | five | 9 | 9 | 2200 | 1790 | 36000 |
| 6 | HK0607 | 27941/6 | 1.8 | – | – | – | 6 | 10 | seven | 1600 | 1400 | 30000 |
| HK0608 | 37941/6 | two.1 | BK0608 | 35941/six | 2.2 | six | 10 | 8 | 1830 | 1550 | 32000 | |
| HK0609 | 47941/6 | two.2 | BK0609 | 45941/six | 2.six | 6 | ten | ninety eight | 2650 | 2400 | 30000 | |
| HK06×12×08 | two.5 | – | – | – | 6 | twelve | 8 | 2230 | 2571 | 33000 | ||
| 7 | HK0709 | 47941/seven | two.three | BK0709 | 45941/7 | 2.nine | seven | 11 | nine | 2800 | 2150 | 27000 |
| 8 | HK0808 | 37941/eight | 2.seven | BK0808 | 35941/8 | 3 | eight | twelve | eight | 2550 | 2400 | 21000 |
| HK571 | 57941/eight | 3 | BK571 | 55941/8 | 3.four | 8 | 12 | 10 | 3700 | 3450 | 21000 | |
| HK08×14×10 | 27942/eight | 5.35 | BK08×14×10 | 25941/eight | five.8 | 8 | fourteen | ten | 3800 | 3950 | 25000 | |
| HK08×14×12 | 37942/8 | 6.six | – | – | – | 8 | fourteen | twelve | 4100 | 4320 | 25000 | |
| 9 | HK0908 | 37941/9 | three | BK0908 | 35941/9 | 3.four | nine | 13 | 8 | 3650 | 4050 | 25000 |
| HK571 | 57941/9 | four | BK571 | 55941/9 | four.3 | nine | thirteen | 10 | 4050 | 4250 | 25000 | |
| HK571 | 67941/9 | four.6 | BK571 | 65941/nine | four.9 | 9 | 13 | 12 | 5000 | 6000 | 25000 | |
| HK09×15×10 | 27942/nine | 5.6 | – | – | – | nine | fifteen | 10 | 5300 | 6300 | 25000 | |
| 10 | HK1571 | 57941/10 | 4.1 | BK1571 | 55941/ten | 4.3 | 10 | fourteen | 10 | 3900 | 4800 | 19000 |
| HK1012 | 67941/ten | 4.eight | BK1012 | 65941/ten | 5 | 10 | fourteen | twelve | 5000 | 6300 | 19000 | |
| HK1015 | – | 6 | BK1015 | – | 6.two | ten | fourteen | fifteen | 6700 | 7800 | 19000 | |
| 12 | HK1208 | 37941/twelve | three.3 | – | – | – | 12 | sixteen | 8 | 7200 | 8000 | 19000 |
| HK1210 | 57941/twelve | 4.six | BK1210 | 55941/twelve | five.2 | 12 | sixteen | ten | 4150 | 5800 | 19000 | |
| HK1212 | 67941/12 | five.6 | BK1212 | 65941/12 | six.two | twelve | sixteen | twelve | 3800 | 5100 | 15000 | |
| thirteen | HK1312 | – | 8.9 | BK1312 | – | eleven.two | thirteen | 19 | twelve | 6200 | 7100 | 17000 |
| 14 | HK1410 | 27941/fourteen | 8.three | BK1412 | 35941/fourteen | 12.one | fourteen | 20 | ten | 6700 | 7000 | 16000 |
| HK1412 | 37941/14 | ten.five | – | – | twelve.two | 14 | 20 | twelve | 6800 | 7500 | 16000 | |
| HK1416 | 57941/fourteen | 13.nine | – | – | twelve.five | fourteen | 20 | 16 | 7300 | 9000 | 14000 | |
| 15 | HK15×20×12 | 7941/15 | 8.4 | – | – | – | fifteen | 20 | 12 | 5800 | 6000 | 14000 |
| HK15×20×16 | 7942/15 | eleven.four | – | – | – | fifteen | 20 | 16 | 6000 | 6200 | 14000 | |
| HK15×20×20 | 7943/15 | 13.8 | – | – | – | fifteen | 20 | 20 | sixty one john deere 1508 gearbox Adelaide Australia 00 | 6400 | 14000 | |
| HK1512 | 37941/fifteen | 11.one | BK1512 | 35941/fifteen | twelve.seven | fifteen | 21 | twelve | 7000 | 8400 | 14000 | |
| HK1514 | 47941/fifteen | twelve.seven | – | – | twelve.nine | fifteen | 21 | fourteen | 8500 | 10400 | 13000 | |
| HK1515 | – | 14.two | – | – | thirteen | fifteen | 21 | 15 | 9100 | 11400 | 13000 | |
| HK1516 | 57941/fifteen | fifteen | BK1516 | 55941/15 | sixteen.five | fifteen | 21 | 16 | 9800 | 11400 | 14000 | |
| HK1522 | SZ-439 | 20.4 | BK1522 | – | 22 | 15 | 21 | 22 | 10400 | 16500 | 14000 | |
| HK15×22×12 | 7948/15 | 12.5 | – | – | – | fifteen | 22 | twelve | 14300 | 18400 | 13000 | |
| 16 | HK16×21×09 | – | 7.five | – | – | – | sixteen | 21 | 9 | 4400 | 5600 | 12000 |
| HK1612 | 37941/sixteen | 11.seven | BK1612 | 35941/sixteen | thirteen.8 | 16 | 22 | 12 | 7100 | 9200 | 14000 | |
| HK1614 | 47941/sixteen | 14.4 | – | – | – | 16 | 22 | fourteen | 8800 | 9900 | 12000 | |
| HK1616 | 57941/16 | fifteen.8 | BK1616 | 55941/16 | seventeen.6 | sixteen | 22 | 16 | 15710 | 14300 | 14000 | |
| HK1617 | SZ-435 | eighteen | – | – | – | sixteen | 22 | 17 | 12900 | 17200 | 12000 | |
| HK1622 | 87941/sixteen | 21.7 | BK1622 | 85941/sixteen | 23.four | 16 | 22 | 22 | 11100 | 17400 | 14000 | |
| 17 | HK1712 | 37941/seventeen | twelve.two | BK1712 | 35941/seventeen | fourteen.five | seventeen | 23 | 12 | 6900 | 9300 | 13000 |
| HK1714 | 7941/17 | fourteen | – | – | – | 17 | 23 | fourteen | 6800 | 15710 | 10000 | |
| HK1716 | 57941/seventeen | fifteen.9 | – | – | – | 17 | 23 | sixteen | 8500 | 12500 | ten thousand | |
| HK1718 | 7942/seventeen | 19 | – | – | – | seventeen | 23 | 18 | 9500 | 10600 | 10000 | |
| 18 | HK1812 | 37941/18 | 13.one | BK1812 | 35941/18 | fourteen.nine | eighteen | 24 | 12 | 7100 | 9900 | 12000 |
| HK1816 | 57941/18 | seventeen.five | BK1816 | 55941/eighteen | 19.9 | 18 | 24 | 16 | 10600 | 15300 | 12000 | |
| 19 | HK19×27×16 | TA1916 | 23 | – | – | – | 19 | 27 | sixteen | 8100 | 9500 | 10500 |
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———————————-About Guomai Bearing Manufacturing facility———————
ZheJiang Guomai Bearing Co.,Ltd(hereinafter referred to as Guomai) was set up in 1999, with far more than 20 many years of bearing research and production expertise. The factory addresses an spot of 16000 sq. meters,7000 of which is manufacturing spot and the other is workplace and warehouse. Guomai has large inventory for typically used bearing versions and this permits us to produce the bearing to clients inside the shortest time.
There are complete 160 staffs, 6 automatic bearing assembly lines,116 CNC machines and 22 sets of precise inspection instruments. We not only have our possess R&D team but also cooperate with ZheJiang College of Science and Technologies, HangZhou Bearing Research Institute to develop new bearing designing and manufacturing technology.
In addition to conventional bearings, Guomai also supplies OEM and ODM provider to our respectable clients to fulfill their specific requirements.We launched superior milling, turning equipment, heat treatment gear and bearing testing equipment to guarantee the good quality of the bearings because we know “Good quality is the lifestyle of Guomai” .Now our prime items include taper roller bearing, angular get in touch with ball bearing, deep groove bearing ,spherical bearing and cylindrical roller bearing with P5, P4 precision quality.
Soon after so numerous several years of developing, Guomai has built up an superb product sales network inside China. Our two bearing makes “CVZ” and “Bentu” are ept known and have substantial track record in the industrial products and factors discipline. Additionally, with self confidence of our bearing high quality, we began to export our bearings 4 years ago. Buyers from Europe, North America, Center East, Southeast Asia and Africa have liked the happiness our bearings brought to them.
Guomai Bearing often upholds “Acquire-Acquire” spirit and believes in “Information determine achievement” philosophy, and hold improving bearing high quality in the past twenty years. Some series of our bearings have equivalent high quality with SKF, NSK, Timken, NACHI, KOYO, NTN and other ept famous makes but with decrease value.
Bathroom ept to the long term, Guomai will insist on the ept innovation and processing amounts to provide the most suitable bearing merchandise and support to our consumers.
Bearing web web page description and versions may be limited, you should speak to us for much more details.
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Guomai Bearings, turn with the ept and you!!!
The use of original gear manufacturer’s (OEM) element quantities or emblems , e.g. CASE® and John Deere® are for reference purposes only and for indicating item use and compatibility. Our company and the outlined substitution components contained herein are not sponsored, approved, or produced by the OEM.



