Needle Roller Bearings

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NA, NKI Type
NA, NKI Type
Needle Roller Bearings
There is an inner ring NA.NK type needle roller bearing. Since the inner ring has no rib, the inner ring, outer ring, NA4822 NA4822A NA4824 NA4824A NA4826A NA4826 NA4828A NA4828 NA4832A KA4832A NA4836A NA4844A NA4844A/YA4 NA4852A NA4856A NA4900A NA4900A/YA NA4900 NA4901A NA4901 NA4902A NA4902 NA4903A NA4903 NA4903AS2 NA4904A NA4904A/YA2 NA4904 NA49/22
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Characteristics and application

There is an inner ring NA.NK type needle roller bearing. Since the inner ring has no rib, the inner ring, outer ring, a full set of needle rollers and cages can be installed separately, and the axial displacement of the shaft or housing is not restricted. Since the needle rollers are separated by a cage, the friction is reduced, so it can be used in parts with high rotation speed.

Bearing NumberDimensions （mm）
NA4822110×140×30
NA4822A110×140×30
NA4824120×150×30
NA4824A120×150×30
NA4826A130×165×35
NA4826130×165×35
NA4828A140×175×35
NA4828140×175×35
NA4832A160×200×40
KA4832A170×215×45
NA4836A180×225×45
NA4844A220×270×50
NA4844A/YA4220×270×50
NA4852A260×320×60
NA4856A280×350×69
NA4900A10×22×13
NA4900A/YA10×22×13
NA490010×22×13
NA4901A12×24×13
NA490112×24×13
NA4902A15×28×13
NA490215×28×13
NA4903A17×30×13
NA490317×30×13
NA4903AS217×30×13
NA4904A20×37×17
NA4904A/YA220×37×17
NA490420×37×17
NA49/2222×39×17
NA4905A25×42×17
NA450525×42×17
NA49/2828×45×17
NA4906A30×47×17
NA490630×47×17
NA49/3232×52×20
NA4907A35×55×20
NA490735×55×20
NA4908A40×62×22
NA490840×62×22
NA4909A45×68×22
NA4490945×68×22
NA4910A50×72×22
NA491050×72×22
NA4911A55×80×25
NA491155×80×25
NA4912A60×85×25
NA491260×85×25
NA4913A65×90×25
NA491365×90×25
NA4914A70×100×30
NA491470×100×30
NA4915A75×105×30
NA491575×105×30
NA4916A80×110×30
NA491680×110×30
NA4917A85×120×35
NA491785×120×35
NA4918A90×125×35
NA4918A/C990×125×35
NA491890×125×35
NA4919A95×130×35
NA491995×130×35
NA4920A100×140×40
NA4920100×140×40
NA4920A/C9100×140×40
NA4922A110×50×40
NA4922110×50×40
NA4924A120×165×45
NA4924/YA120×165×45
NA4924A/C3120×165×45
NA4924A/C9120×165×45
NA4924120×165×45
NA4926A130×180×50
NA4926130×180×50
NA4928A140×190×50
NA4928140×190×50
NA590317×30×18
NA591785×120×46
NA698A8×19×11
NA6900A10×22×22
NA6901A12×24×22
NA690112×24×22
NA6902A15×28×23
NA690215×28×23
NA6903A17×30×23
NA690317×30×23
NA6904A20×37×30
NA690420×37×30
NA69/2222×39×30
NA6905A25×42×30
NA690525×42×30
NA69/2822×39×30
NA6906A30×47×30
NA6906A/C930×47×30
NA690630×47×30
NA400525×47×22
NA400630×55×25
NA400735×62×27
NA400840×68×28
NA400945×75×30
NA401050×80×30
NA401155×90×35
NA401260×95×35
NA401365×100×35
NA401470×110×40
NA401575×115×40
NA401680×125×45
NA401785×130×45
NA5009 
NA4120100×165×65
NA5807X335×40×50
NA5808X340×45×55
NA6804X220×32×20.5
NA6805X225×37×20.5
NA6806X230×42×20.5
NA6807X235×47×20.5
NA6808X140×55×30
NA6808X240×52×20.5
NA6810X350×58×25.5
NA4900X210×22×12.5
NA4908X1A40×65×22
NA4911X1A55×85×25
NA4911X255×72×35
NA4916X280×110×35
NA59/22X3A22×40×25
NA5911X355×78×30
NA4209X3A30×70×18.5
NA4207X335×58×22
NA6/1313×32×20
NA6/17.4717.47×28.5×12.5
NA6/44.544.5×58.7×19
NA6/50.850.8×65×22.2
NA6/22.5/C222.225×40×25.4
NA6/245245×280×36
NA6/245A245×280×36
NA4901WB-2LS12×24×13/14
NA6/92WB-2LS92×117×20
NKI10/1610×22×16
NKI10/2010×22×20
NKI12/1612×24×16
NKI12/2012×24×20
NKI15/1615×27×16
NKI15/2015×27×20
NKI17/1617×29×16
NKI17/2017×29×20
NKI20/1620×32×16
NKI20/2020×32×20
NKI20331620×33×16
NKI22/1622×34×16
NKI22/2022×34×20
NKI25/2025×38×20
NKI25/3025×38×30
NKI28/2028×42×20
NKI28/3028×42×30
NKI1428728.575×47.625×32
NKI30/2030×45×20
NKI30/3030×45×30
NKI32/2032×47×20
NKI32/3032×47×30
NKI35/2035×50×20
NKI35/3035×50×30
NKI38/2038×53×20
NKI38/3038×53×3
NKI40/2040×55×20
NKI40/3040×55×30
NKI42/2042×57×20
NKI42/3042×57×30
NKI45/2045×62×25
NKI45/3545×62×35
NKI45/35/C345×62×35
NKI50/2550×68×25
NKI50/3550×68×35
NKI55/2555×72×25
NKI55/3555×72×35
NKI60/2560×82×25
NKI60/3560×82×35
NKI65/2565×90×25
NKI65/3565×90×35
NKI70/2570×95×25
NKI70/3570×95×35
NKI75/2575×105×25
NKI75/3575×105×35
NKI80/2580×110×25
NKI80/3580×110×35
NKI85/2685×115×26
NKI85/3685×115×36
NKI90/2690×120×26
NKI90/3690×120×36
NKI95/2695×125×26
NKI95/3695×125×36
NKI100/30100×130×30
NKI100/40100×130×40
NANFLV674370×480×66
NKIS3535×58×22
NKS4040×55×22
NK17/2017×25×20
NK18/1618×26×16
NA6907A35×55×36
NA6908A40×62×40
NA6909A45×68×40
NA6910A50×72×40
NA6911A55×80×45
NA6911A/YA55×80×45
NA6912A60×85×45
NA6912A/YA60×85×45
NA6913A65×90×45
NA6914A70×100×54
NA6915A75×105×54
NA6916A80×110×54
NA6917A85×120×63
NA6918A90×125×63
NA6919A95×130×63
NA6919A/C395×130×63
NA6920A100×140×71
NA6920A/C3100×140×71
NA5003X1A17×34×24
NA5004A20×42×30
NA6005X2A25×47×36
NA6006X3A30×56×42
NA6008X1A40×65×50
NA6009X1A45×72×40
NA69/3232×52×36
NA690735×55×36
NA690840×62×40
NA690945×72×40
NA691050×72×40
NA691155×80×45
NA691260×80×45
NA691365×90×45
NA691470×100×54
NA691575×105×54
NA691680×110×54
NA691785×120×63
NA691890×125×63
NA691995×130×63
NA6920100×140×71
NA6/101.6M101.6×171.45×133.35
NA6035X3M175×260×195
NA6/177.8Q1177.8×224.475×161.925
NA6/177.8M177.8×244.475×161.925
NA6/177.8X3M177.8×257.175×196.85
NA6936X3M180×260×215
NA6/180180×280×215
NA6/180X2M180×280×215
NA6/195M195×290×190
NA6/206.375M/C4W26206.375×285.75×222.25
NA6/206.375M/W26206.375×285.75×222.25
NA6/206.375Q1206.375×285.75×222.35
NA6/206.375M1/C4206.375×285.75×222.35
NA6/206.375M206.375×285.75×222.35
NA6008X3APR40×72×46

Application

Needle roller bearings are widely used in many fields due to their large aspect ratio, compact structure, and strong load-bearing capacity. In the automotive industry, the piston pin of the engine, the shift fork shaft of the transmission, and the seat adjustment mechanism all rely on it to assist in efficient power transmission and flexible operation of components; In industrial sewing machines, needle roller bearings support the high-speed spindle and shuttle, ensuring precise and smooth sewing movements; The motor rotor and gearbox of electric tools rely on them to cope with high speed and frequent start stop, improving tool durability; In addition, in precision transmission systems of aerospace equipment, compact space transmission mechanisms of agricultural machinery, and even small drive components of office equipment, needle roller bearings play an indispensable role in stabilizing and supporting the operation of various machinery with their own advantages.

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COMPANY STRENGTH

We can produce and supply P0 P6 P5（‌ABEC1 ‌ABEC3 ‌ABEC5）, Z1 Z2 Z3, V1 V2 V3 and other bearings of various qualities, suitable for different scenarios. Our factory has sufficient inventory and fast delivery. In addition, our factory supports drawing customization or design & development of new bearings to meet your requirements.

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Transaction case

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FAQ

Q: How is the product packaged?
A: Standard export seaworthy packing with waterproof paper inside and iron outside, secured by fumigated wooden pallets. It can effectively protect products from corrosion and various climate changes during Marine transportation.

 

Q: Is there quality inspection before loading?
A: Of course, all our products go through strict quality inspection before packing. Those that fail will be destroyed. Customers can also entrust a third party to inspect the products before loading.

 

Q: What are the loading ports?
A: In general, we ship the goods from Shanghai, Tianjin, Qingdao and Ningbo ports. You can designate other ports according to your needs.

 

Q:Can you deliver the goods on time?
A: Yes, we guarantee the best quality products and punctual delivery. Integrity is the tenet of our company.

 

Q: Can we take some samples? Any fees?
A: Yes, we can provide samples free of charge, but we don't pay for shipping. If you place an order after confirming the sample, we will refund your delivery fee or deduct it from the order amount.

 

Q: Can I visit your factory?
A: Of course. We welcome customers from all over the world to visit our factory.

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