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Four-Point Angular Contact Ball Bearings Qj3944 Qj3944X1 Qjf3944X1 Qj1044 Qjf1044 Qj3948X1 Qjf3948X1 Qjf3948X1-1 Qj1048 Qjf1048 Qj1048X1-1
Four-Point Angular Contact Ball Bearings Qj3944 Qj3944X1 Qjf3944X1 Qj1044 Qjf1044 Qj3948X1 Qjf3948X1 Qjf3948X1-1 Qj1048 Qjf1048 Qj1048X1-1
Four-Point Angular Contact Ball Bearings Qj3944 Qj3944X1 Qjf3944X1 Qj1044 Qjf1044 Qj3948X1 Qjf3948X1 Qjf3948X1-1 Qj1048 Qjf1048 Qj1048X1-1
Four-Point Angular Contact Ball Bearings Qj3944 Qj3944X1 Qjf3944X1 Qj1044 Qjf1044 Qj3948X1 Qjf3948X1 Qjf3948X1-1 Qj1048 Qjf1048 Qj1048X1-1
Four-Point Angular Contact Ball Bearings Qj3944 Qj3944X1 Qjf3944X1 Qj1044 Qjf1044 Qj3948X1 Qjf3948X1 Qjf3948X1-1 Qj1048 Qjf1048 Qj1048X1-1
Four-Point Angular Contact Ball Bearings Qj3944 Qj3944X1 Qjf3944X1 Qj1044 Qjf1044 Qj3948X1 Qjf3948X1 Qjf3948X1-1 Qj1048 Qjf1048 Qj1048X1-1

Four-Point Angular Contact Ball Bearings Qj3944 Qj3944X1 Qjf3944X1 Qj1044 Qjf1044 Qj3948X1 Qjf3948X1 Qjf3948X1-1 Qj1048 Qjf1048 Qj1048X1-1

Min.Order: 1
Product origin: Liaocheng, Shandong, China
Infringement complaint: complaintComplaint
US$ 13.7 ~ 329.4

Description
PRODUCT PICTURES


OUR SERVICES

We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.

 BEARING:
  -- Dimensions
  -- Material
  -- Tolerance standard

APPEARANCE:
  -- Logo (Laser Marking)
  -- Package Design


40+ YEARS EXPERIENCE 
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.

We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining.  All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.


OWN HEAT TREATMENT 
CONTROALLABLE COST AND QUALITY.

Heat treatment is one of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time. 

We have 6 heat treatment production lines.

Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
 

OUTSTANDING  QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.

All our products are characterized by low noise, low friction and long life.  This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.

Our products fully meets the requirements of national and international standards accorind to the testing result of
roughness, roundness, hardness, vibration noise, vibration velocity.


PACKING
PACKAGING THAT HELPS SELL.

1, Inner package
   Corrosion and Dust Proof PE plastic film  / bag packing + Tube packing, or Wrapping  tape for larger bearings.

2, Corrugated Individual Box
   Our attractive sales-helpful "3-JOYS" package, or as the design of your package.
3, Outer package
  Corrugated carton + Wooden pallet 

MODERN WELL-ORGANIZED WAREHOUSE

  · Constant temperature (20°C) and humidity (RH 52%) warehouse
  · Hundreds of models on hand, short delivery time.
 

HONOR & SYSTEM CERTIFICATES




EXHIBITION


SAMPLES POLICY 



 FREE SAMPLES AND SHIPPING

 We are happy to send you free samples of our bearings for field   testing. All transportation costs will be paid by us.

 Please note: Depending on the model and value of samples,   this policy may not apply!

 Please contact our sales staff for details.
TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK






PAYMENT TERMS 
To facilitate your payment, we offer a variety of options! 

   
 

FAQ

1, About the lead time.
 
This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20' GP container load:

If the model your Preferred isSufficient stockLead Time
Regular modelsYESWithin 7 days
Regular modelsNOWithin 30 days
Non-regular modelNOAbout 50 days

For accurate estimate, please contact with our sale stuff. Thanks.

2, Minimum order quantity. 
 
Even just ONE piece of bearing is ok for us.

 
3, If you don't know which model is the right choice...
 
We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.

4, Factory Inspection

We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking honest employees. Ask our sales stuff and she/he will arrange that for you.




OPTIONS OF SPECIFICATION AND STANDARD
 
SubjectSymbolDescription
Sealing & Sealing typeZMetal shield on one side.
ZZMetal shields on both sides.
RSRubber seal on one side.
2RSRubber seals on both sides.
ZNRShield on one side, snap ring groove in the outer ring, with snap ring on the opposite side of the shield
2ZNRShield on both sides, snap ring groove in the outer ring, with snap ring
ZNBRShield on one side, snap ring groove in the outer ring, with snap ring on the same side as the shield
Cage MaterialsJPressed steel cages
MSolid brass cage
FSolid cage made from steel or iron
YPressed brass cages.
TLaminated phenolic cages.
TNPolyamide cages
THGlass-fiber reinforced phenolic resin cages.
TVPolyamide cage
Cage DesignsPWindow-type cage
HClaw-type cage
ACage guided on the bearing outer ring
BCage-guided on the bearing inner ring
SCage with lubricating slots in the guiding surfaces
DCarbonitriding cage
WWelded cage
RRiveted Cage
Cage TypesN/AClaw-type cage
Ribbon cage
Crown cage
Sunflower cage
Tapered cage
TolerancesPN(P0)Bearings in standard tolerance
P6Tighter tolerance than standard bearings
P5Tolerance tighter than P6
P4Tolerance tighter than P5
P2Tolerance tighter than P4
Contact AngleCContact angle 15˚.
ACContact angle 25˚.
CAContact angle 20˚.
EContact angle 35˚.
BContact angle 40˚.
Bearing SetsDBTwo bearings: back-to-back.
DFTwo bearings: face-to-face.
DTTwo bearings: in tandem.
TBTThree bearings: tandem and back-to-back.
TFTThree bearings: tandem and face-to-face.
QFCFour bearings: tandem and face-to-face.
DBTwo bearings: back-to-back.
DFTwo bearings: face-to-face.



PRODUCT PARAMETERS

This tech sheet may not contain all or every piece of information you want to know. Please contact our sales staff to obtain or compare the information.
 
DesignationBoundary Dimension (mm)Limiting Speed (rpm)Load Rating (Kn)Weight
 DesignationInner Diameter
(d)		Outside Diameter
 (D)		Width
(B)		Grease LubricationOil LubricationDynamic Load
(cr)		Static Load
(cor)		Weight
(kg)
QJ102211017028240030001321722.6
QJ22211020038220028002552455.5
QJ322110240501800230026733412.5
QJ102412018028220028001081452.6
QJ22412021540190024002102606.9
QJ324120260551600220035239215.3
QJ102613020033190024001351854
QJ102814021033175022501381954.2
QJ328140300621250165034048022.7
QJ1030X1150224.535160021001752455.1
QJ103015022535160021001752455.1
QJ230150270451350175025836911.8
QJ330150320651150145036553327
QJ103216024038145018501812646.3
QJ232160290481200155028241414.6
QJ103417026042130016002263338.5
QJ234170310521100140031048018.2
QJ334170360721300120041067041.7
QJ3936X1180259.552130016002063109.5
QJ2936X118026042130016002063107.7
QJ1036180280461200150023135911
QJ236180320521050130033453019
QJ3938X3190269.5551200150021634010.5
QJ1038190290461100140023637811.5
QJ2940X2200280511100140021634010.2
QJ3940X3200289.5581100140023538413.2
QJ1040X1200309.5421100140029447315.4
QJ1040200310511000126028045514.9
QJ24020036058800110039065627
QJ394422030060950125022136413
QJ3944X1220309.560900120024641214.8
QJ104422034056800110030050319.6
QJ3948X1240329.560800110025644416
QJ104824036056800110033561121
QJ1048X1-1240359.556800110033561121
QJ2952X1240369.560900120031358522
QJ105226040065800110032079331.3
QJ106030046074750100051298547
QJ1064X130044065    31
QJ106834052082600800583133066
QJF102211017028240030001321722.6
QJF322110 240501800230026733412.5
QJF102412018028220028001081452.6
QJF224120 21540190024002102606.9
QJF102613020033190024001351854
QJF22613023040190024002452787.5
QJF326130280581400180031042018.6
QJF1028X1140209.533175022501381954.2
QJF102814021033175022501381954.2
QJF1028X214021035175022501381954.5
QJF1030X1150224.535160021001752455.1
QJF103015022535160021001752455.1
QJF230150270451350175025836911.8
QJF330150320651150145036553327
QJF1032X1160239.538145018501812646.3
QJF103216024038145018501812646.3
QJF232160290481200155028241414.6
QJF1034X1170259.542130016002263338.5
QJF103417026042130016002263338.5
QJF234170310521000140031048018.2
QJF3936X1180259.552130016002063109.5
QJF2936X118026042130016002063108
QJF1036180280461200150023135911
QJF236180320521050130033453019
QJF3938X3190269.5551200150021634010.5
QJF1038X1190289.5461100140023637811.5
QJF1038190290461100120023637811.5
QJF23819034055900140034756939
QJF2940X2200280511100140021634010.2
QJF3940X3200289.5581100140023538413.2
QJF1040200310511000126028045514.9
QJF24020036058800110039065627
QJF3944X1220309.560900120024641214.8
QJF104422034056800110030050319.6
QJF3948X1240329.560800110025644416
QJF3948X1-124034060800110027147717.6
QJF104824036056800110033561121
QJF2952X3260359.565900120028151321
QJF2952X1260369.560900120031358522
QJF2952X1-1260374.560900120031358523
QJF105226040065800110032079331.3
QJF2956X328037565800110025053621
QJF2956X3-1280389.565800110032562825
QJF105628042065750100040680233.2
QJF2960X230042065750100037075529.3
QJF106030046074750100051298547
QJF1064X132044065    31
QJF106432048074650900499109049.5
QJF1068X33405008060080040470553.6
QJF106834052082600800583133066

 

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