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Single Row Radial Needle Roller Bearing K , NA , NKI , RNA , NK , HK , BK

Categories Needle Roller Bearing
MOQ: negotiated
Payment Terms: T/T
Delivery Time: negotiated
Packaging Details: Cartons or Pallets
Brand Name: TOB Needle Roller Bearings
Certification: ISO 16949
Place of Origin: China
Price: negotiated
Supply Ability: negotiated
Material: Bearing steel
K type: Radial Needle and Cage Assemblies
NA,NKI,RNA,NK type: Outer with double raised edge single row
NA,RNA type: Outer with double raised edge double row
HK,BK type: Stamping outer needle roller bearing
Application: used in automobile components
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Single Row Radial Needle Roller Bearing K , NA , NKI , RNA , NK , HK , BK


Needle roller bearing


It is a bearing which uses small cylindrical rollers. They are used to reduce friction of a rotating surface.

Needle bearings have a large surface area that is in contact with the bearing outer surfaces compared to ball bearings . Additionally there is less added clearance (difference between the diameter of the shaft and the diameter of the bearing) so they are much more compact. The typical structure consists of an inner race (or sometimes merely a shaft), a needle cage which orients and contains the needle rollers, the needle rollers themselves, and an outer race.

Radial needle bearings are cylindrical and use rollers parallel to the axis of the shaft. Thrust needle bearings are flat and use a radial pattern of needles.

Needle bearings are heavily used in engine components such as rocker arm pivots


Needle roller bearing ,there is a series number of this product, and we can process as your requirement. Detailed technical parameter as follow:

KR KRV??Dimensions (mm)Designations*CD1D1G1B max.B1max.B2B3C1rs monocentric
(e)Basic load rating??Limits of speed
(rpm)Mass
(g)Dynamic Ecstatic Coker 13KRV 131395M5×0.87102313??0.50.30.252801802900016KR 16KRV 1616116M6×1812.228.216??0.60.30.252701702500018KR 19KRV 1919118M8×1.251012.232.220??0.60.30.253002102000028KR 22KRV 22221210M10×1.251213.236.223??0.60.30.34103201700044KR 26KRV 26261210M10×1.251213.236.223??0.60.30.34103201700058KR 30KRV 30301412M12×1.51315.240.22560.60.60.35904501400087KR 32KRV 32321412M12×1.51315.240.22560.60.60.35904501400090KR 35KRV 35351816M16×1.51719.652.132.580.80.60.3585076010000169KR 40KRV 40402018M18×1.51921.658.236.580.810.35118012208500247KR 47KRV 47472420M20×1.52125.666.140.590.810.35163016907000386KR 52KRV 52522420M20×1.52125.666.140.590.810.351630169070000461KR 62KRV 62622924M24×1.52530.680.149.5110.810.4216022106500790KR 72KRV 72722924M24×1.52530.680.149.5110.810.42160221065001040KR 80KRV 80803530M30×1.532371006315110.52830370050001550KR 85KRV 85853530M30×1.532371006315110.52830370050001740KR 90KRV 90903530M30×1.532371006315110.52830370050001950

2) Package: export standard package or according to requirement.

3):Widely used in sewing machines, various gap-cars, fitness equipment, cars, motors, electric tools, entertainment tools, textile and printing machines, and also in engineering, hydraulic cylinders, forging machines, construction machinery.


Bearing DesignationMass ApproxBoudary DimensionsBasic Load RatingLimiting Speed
Shaft DiameterStructureOriginal CodedFwDCCr DynamicCor StaticOil
mmNKINKISNA49NA69gmmNrpm
8-NKIS 8---46814251612401130021500
9NKI 9/12----14.691219126200700221700
10NKI 10/16----27.31014221698081050019650
--NA 4900-452490021101422138006900023700
- -NA 6900653490038.41014222282811161223700
 NKI 12/20----3912162420140001840021000
---NA 6901653490144.512162422116471705220000
-NKIS 12---5812183016160001700020000
15NKI 15/16----381519271688471285319100
NKI 15/20----45.715192720123471905319100
--NA 4902-452490232152028136447905318800
---NA 6902653490261.615202823131002090018800
-NKIS 15---9015223520235002400017000
17NKI 17/16----41.417212916130001820020000
NKI 17/20----52.317212920171002500021000
--NA 4903-452490332.81722301370101001017000
---NA 6903653490368.217223023144002490017000
20NKI 20/16----48.520243216108001700016700
--NA 4904-452490470.220253717119121659416200
-NKIS 20-NA 6904653490511920284220265003550014000
22NKI 22/16----5022253416102001534016200
--NA 49/22--7622283917129961917514360
---NA 69/22-13022283930213753575014360
 NKI 25/20----10125293820219002400014000
25NKI 25/30----11525293830315005600014000
--NA 4905-45249057625304217134522047514000
---NA 6905653490513825304230193003175014000
-NKIS 25---16025324722320005500012500
 NKI 28/20----13228324520231003750011400
28NKI 28/30----16228324530325004200012500
--NA 49/28-45449/2890.728324517139002010012500
---NA 69/28-17028324530224003685012500
30NKI 30/20----14530354520240003200012000
NKI 30/30----17130354530290003600011000
-NKIS 30---18430375222310003900012000
--NA 4906-452490610130354717250003400011000
---NA 6906653490619230354730405006300011000
32NKI 32/20----10132354520138512690012000
NKI 32/30----12232354530180004200012000
--NA 49/32-45449/3215032405220190003260011000
---NA 69/3266349/3227232405236255006850011000
35NKI 35/20----13935405020210004100011000
NKI 35/30----16535405030222005135011000
--NA 4907-452490715135425520198004150011000
---NA 6907653490730135425536260006050011000
-NKIS 35---2103543582233000560009500
38NKI 38/20----13638435320270004900011000
NKI 38/30----20738435330380006900011000
40NKI 40/20----12440455520220004800011000
NKI 40/30--- 18440455530350008600011000
-NKIS 40-- 2814050652239000650009000
--NA 4908-45449081234048622231036638739000
---NA 6908653490840140486240640001120009000
42NKI 42/20----1384247572026000525009500
NKI 42/30----2224247573034000690009000
45NKI 45/25----2184550622536000700009000
NKI 45/35----28945506235415001020009000
--NA 4909-45449092604550682237000695009000
---NA 6909653490947945506840615001235009000
-NKIS 45---3064555722243000710007500
50NKI 50/25----2625055682532000780007890
NKI 50/35----3505055683545000820007000
--NA 4910-45449102645058722241000720007000
---NA 6910653491045750587240680001350007000
-NKIS 50---5105060802860000950007000
55NKI 55/25----2805560722542000820006500
NKI 55/35----35755607235480001268006500
--NA 4911-45449113865563802550600965806500
---NA 6911653491176055638045825601720006500
-NKIS 55---5585565852849000960006500
60NKI 60/25----3886068822535500850006500
NKI 60/35----55360688235580001350006000
--NA 4912-45449124126068852552800110506000
---NA 6912653491279860688545885001860006000
-NKIS 60---55060709028650001100006000
65NKI 65/25----4676573902545000890006000
NKI 65/35----64965739035650001110006000
--NA 4913-454491343565729025575001105006000
---NA 6913653491382165729045876001945006000
-NKIS 65---64165759528690001400006000
70NKI 70/25----52170809525560001250005500
NKI 70/35----73770809535750001500005500
--NA 4914-4544914712708010030790001540005500
---NA 6914653491413627080100541210002630005500
-NKIS 70---865708010028750001330005500
75--NA 4915-4544915765758510530820001580005500
---NA 6915653491514297585105541280002720005500
80--NA 4916-4544916870809011030810001705005500
---NA 6916653491615108090110541305002806005000
85--NA 4917-4544917125085100120351110002370004600
---NA 69176534917220085100120631660004000004600
90--NA 4918-4544918131290105125351140002500004400
---NA 69186534918231090105125631720004250004400
95--NA 4919-4544919137195110130351160002600004200
---NA 69196534919250095110130631740004400004200
100--NA 4920-45449201900100115140401200002740004000
---NA 692065349203170100115140711900005200004000
120--NA 4922-45449222070110125150401320002900003700
---NA 6922-108011012014030940002160003900
130--NA 4924-45449242860120135165451810003900003400
---NA 4824-117012013015030990002390003600
140--NA 4926-45449263900130150180502030004700003100
---NA 4826-1810130145165351180003100003200
--NA 4928-45449284150140165190502090005000002900
---NA 4828-1920140150175351200003250003000

Quality Single Row Radial Needle Roller Bearing K , NA , NKI , RNA , NK , HK , BK for sale
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