needle roller bearings - Changzhou YangFan Bearing Co.,ltd
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。Product range
· Axial bearings and bushes
· Needles and roller
· Yoke type track rollers Bearing
· Thrust-bearings
· Combined with three-point contact ball bearing

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Track Rollers Bearings

PRODUCT

RSTO RSTO..X
RNA22..2RS
NATR..PP NATV..PP
NUTR
CRY...V,CRY...VUU

KR..PP KRV..PP KRE..PP KRVE..PP NUKR NUKRE
CR...R,CR,CR...UUR,CR...UU

curve roller bearing

Supporting roller and curve roller

  • Model KR, KR...PP Curve Roller

  • Model KRV, KRV...PP Curve Roller

  • Model NUKR Cure Roller

  • KRE KRE...PP Model KREV, KREV...PP NUKRE Curve Roller

Shaft(mm) Bearing Designation With eccentric D(mm) d(mm) C(mm) ra(mm) B(mm) B1(mm) B2（min） G(mm) G1(mm) M(mm) Mn(mm) C1(mm) d2(mm) d1(mm) B3(mm) e(mm) M(Nm) Dynamic(N) Static(N) As yoke type track rollers Cw As yoke type track rollers Cow Limiting Speed(rpm)
16 KR16 KRE16 16 6 11 0.15 28 16 M6 8 45) 0.6 12 9 7 0.5 3 3800 3750 3150 3300 22000
16 KR16PP KRE16PP 16 6 11 0.15 28 16 M6 8 45) 0.6 12 9 7 0.5 3 3800 3750 3150 3300 16000
16 KRV16 KRVE16 16 6 11 0.15 28 16 M6 8 45) 0.6 12 9 7 0.5 3 6400 8500 4850 6500 8500
16 KRV16PP KRVE16PP 16 6 11 0.15 28 16 M6 8 45) 0.6 12 9 7 0.5 3 6400 8500 4850 6500 8500
19 KR19 KRE19 19 8 11 0.15 32 20 M8 10 45) 0.6 14 11 9 0.5 8 4250 4600 3500 3900 20000
19 KR19PP KRE19PP 19 8 11 0.15 32 20 M8 10 45) 0.6 14 11 9 0.5 8 4250 4600 3500 3900 14000
19 KRV19 KRVE19 19 8 11 0.15 32 20 M8 10 45) 0.6 14 11 9 0.5 8 7300 10800 5500 7900 7000
19 KRV19PP KRVE19PP 19 8 11 0.15 32 20 M8 10 45) 0.6 14 11 9 0.5 8 7300 10800 5500 7900 7000
22 KR22 KRE22 22 10 12 0.3 36 23 M10x1 12 4 0.6 17 13 10 0.5 15 5700 6500 4450 5200 16000
22 KR22PP KRE22PP 22 10 12 0.3 36 23 M10x1 12 4 0.6 17 13 10 0.5 15 5700 6500 4450 5200 11000
22 KRV22 KRVE22 22 10 12 0.3 36 23 M10x1 12 4 0.6 17 13 10 0.5 15 8600 12900 6300 9100 6000
22 KRV22PP KRVE22PP 22 10 12 0.3 36 23 M10x1 12 4 0.6 17 13 10 0.5 15 8600 12900 6300 9100 6000
26 KR26 KRE26 26 10 12 0.3 36 23 M10x1 12 4 0.6 17 13 10 0.5 15 5700 6500 5100 6200 16000
26 KR26PP KRE26PP 26 10 12 0.3 36 23 M10x1 12 4 0.6 17 13 10 0.5 15 5700 6500 5100 6200 11000
26 KRV26 KRVE26 26 10 12 0.3 36 23 M10x1 12 4 0.6 17 13 10 0.5 15 8600 12900 7300 11300 6000
26 KRV26PP KRVE26PP 26 10 12 0.3 36 23 M10x1 12 4 0.6 17 13 10 0.5 15 8600 12900 7300 11300 6000
30 KR30 KRE30 30 12 14 0.6 40 25 6 M12x1.5 13 3 6 0.6 23 15 11 0.5 22 8100 9700 6800 8400 11000
30 KR30PP KRE30PP 30 12 14 0.6 40 25 6 M12x1.5 13 3 6 0.6 23 15 11 0.5 22 8100 9700 6800 8400 8300
30 KRV30 KRVE30 30 12 14 0.6 40 25 6 M12x1.5 13 3 6 0.6 23 15 11 0.5 22 12200 19000 9500 14600 4500
30 KRV30PP KRVE30PP 30 12 14 0.6 40 25 6 M12x1.5 13 3 6 0.6 23 15 11 0.5 22 12200 19000 9500 14600 4500
32 KR32 KRE32 32 12 14 0.6 40 25 6 M12x1.5 13 3 6 0.6 23 15 11 0.5 22 8100 9700 7100 9000 11000
32 KR32PP KRE32PP 32 12 14 0.6 40 25 6 M12x1.5 13 3 6 0.6 23 15 11 0.5 22 8100 9700 7100 9000 8300
32 KRV32 KRVE32 32 12 14 0.6 40 25 6 M12x1.5 13 3 6 0.6 23 15 11 0.5 22 12200 19000 10000 15800 4500
32 KRV32PP KRVE32PP 32 12 14 0.6 40 25 6 M12x1.5 13 3 6 0.6 23 15 11 0.5 22 12200 19000 10000 15800 4500
35 KR35 KRE35 35 16 18 0.6 52 32.5 8 M16x1.5 17 3 6 0.8 27 20 14 1 58 12900 19000 9700 14100 7000
35 KR35PP KRE35PP 35 16 18 0.6 52 32.5 8 M16x1.5 17 3 6 0.8 27 20 14 1 58 12900 19000 9700 14100 7000
35 KRV35 KRVE35 35 16 18 0.6 52 32.5 8 M16x1.5 17 3 6 0.8 27 20 14 1 58 18300 35000 12800 23000 3400
35 KRV35PP KRVE35PP 35 16 18 0.6 52 32.5 8 M16x1.5 17 3 6 0.8 27 20 14 1 58 18300 35000 12800 23000 3400
35 NUKR35 NUKRE35 35 16 18 0.6 52 32.5 8 M16x1.5 17 3 6 0.8 21 20 14 1 58 23000 27000 16000 18300 6500
40 KR40 KRE40 40 18 20 1 58 36.5 8 M18x1.5 19 3 6 0.8 32 22 16 1 87 14200 20400 10900 15500 6000
40 KR40PP KRE40PP 40 18 20 1 58 36.5 8 M18x1.5 19 3 6 0.8 32 22 16 1 87 14200 20400 10900 15500 6000
40 KRV40 KRVE40 40 18 20 1 58 36.5 8 M18x1.5 19 3 6 0.8 32 22 16 1 87 21000 39500 14800 26500 2900
40 KRV40PP KRVE40PP 40 18 20 1 58 36.5 8 M18x1.5 19 3 6 0.8 32 22 16 1 87 21000 39500 14800 26500 2900
40 NUKR40 NUKRE40 40 18 20 1 58 36.5 8 M18x1.5 19 3 6 0.8 23 22 16 1 87 24800 31000 18500 22800 5500
47 KR47 KRE47 47 20 24 1 66 40.5 9 M20x1.5 21 4 8 0.8 37 24 18 1 120 19500 32000 15500 25500 4900
47 KR47PP KRE47PP 47 20 24 1 66 40.5 9 M20x1.5 21 4 8 0.8 37 24 18 1 120 19500 32000 15500 25500 4900
47 KRV47 KRVE47 47 20 24 1 66 40.5 9 M20x1.5 21 4 8 0.8 37 24 18 1 120 28000 59000 20600 42000 2600
47 KRV47PP KRVE47PP 47 20 24 1 66 40.5 9 M20x1.5 21 4 8 0.8 37 24 18 1 120 28000 59000 20600 42000 2600
47 NUKR47 NUKRE47 47 20 24 1 66 40.5 9 M20x1.5 21 4 8 0.8 37 24 18 1 120 39000 50000 28000 34500 4200
52 KR52 KRE52 52 20 24 1 66 40.5 9 M20x1.5 21 8 4 0.8 37 24 18 1 120 19500 32000 16800 38500 4900
52 KR52PP KRE52PP 52 20 24 1 66 40.5 9 M20x1.5 21 8 4 0.8 37 24 18 1 120 19500 32000 16800 28500 4900
52 KRV52 KRVE52 52 20 24 1 66 40.5 9 M20x1.5 21 8 4 0.8 37 24 18 1 120 28000 59000 22500 48000 2600
52 KRV52PP KRVE52PP 52 20 24 1 66 40.5 9 M20x1.5 21 8 4 0.8 37 24 18 1 120 28000 59000 22500 48000 2600
52 NUKR52 NUKRE52 52 20 24 1 66 40.5 9 M20x1.5 21 8 4 0.8 31 24 18 1 120 43500 60000 29000 37500 3400
62 KR62 KRE62 62 24 29 1 80 49.5 11 M24x1.5 25 8 4 0.8 44 28 22 1 220 30500 53000 26500 47500 3800
62 KR62PP KRE62PP 62 24 29 1 80 49.5 11 M24x1.5 25 8 4 0.8 44 28 22 1 220 30500 53000 26500 47500 3800
62 KRV62 KRVE62 62 24 29 1 80 49.5 11 M24x1.5 25 8 4 0.8 44 28 22 1 220 41500 91000 34000 76000 2200
62 KRV62PP KRVE62PP 62 24 29 1 80 49.5 11 M24x1.5 25 8 4 0.8 44 28 22 1 220 41500 91000 34000 76000 2200
62 NUKR62 NUKRE62 62 24 29 1 80 49.5 11 M24x1.5 25 8 4 0.8 38 28 22 1 220 59000 79000 40500 51000 2600
72 KR72 KRE72 72 24 29 1.1 80 49.5 11 M24x1.5 25 8 4 0.8 44 28 22 1 220 30500 53000 28000 53000 3800
72 KR72PP KRE72PP 72 24 29 1.1 80 49.5 11 M24x1.5 25 8 4 0.8 44 28 22 1 220 30500 53000 28000 53000 3800
72 KRV72 KRVE72 72 24 29 1.1 80 49.5 11 M24x1.5 25 8 4 0.8 44 28 22 1 220 41500 91000 37000 85000 2200
72 KRV72PP KRVE72PP 72 24 29 1.1 80 49.5 11 M24x1.5 25 8 4 0.8 44 28 22 1 220 41500 91000 37000 85000 2200
72 NUKR72 NUKRE72 72 24 29 1.1 80 49.5 11 M24x1.5 25 8 4 0.8 44 28 22 1 220 65000 93000 45000 61000 2100
80 KRV80 KRE80 80 30 35 1.1 100 63 15 M30x1.5 32 8 4 1 53 35 29 1.5 450 45000 85000 39500 77000 2600
80 KR80PP KRE80PP 80 30 35 1.1 100 63 15 M30x1.5 32 8 4 1 53 35 29 1.5 450 45000 85000 39500 77000 2600
80 KRV80 KRVE80 80 30 35 1.1 100 63 15 M30x1.5 32 8 4 1 53 35 29 1.5 450 60000 1420000 49500 1200000 1700
80 KRV80PP KRVE80PP 80 30 35 1.1 100 63 15 M30x1.5 32 8 4 1 53 35 29 1.5 450 60000 142000 49500 120000 1700
80 NUKR80 NUKRE80 80 30 35 1.1 100 63 15 M30x1.5 32 8 4 1 47 35 29 1.5 450 95000 133000 67000 93000 1800
85 KR85 KRE85 85 30 35 1.1 100 63 15 M30x1.5 32 8 4 1 53 35 29 1.5 450 45000 85000 40500 80000 2600
85 KR85PP KRE85PP 85 30 35 1.1 100 63 15 M30x1.5 32 8 4 1 53 35 29 1.5 450 45000 85000 40500 80000 2600
90 KR90 KRE90 90 30 35 1.1 100 63 15 M30x1.5 32 8 4 1 53 35 29 1.5 450 45000 85000 41500 83000 2600
90 KR90PP KRE90PP 90 30 35 1.1 100 63 15 M30x1.5 32 8 4 1 53 35 29 1.5 450 45000 85000 41500 83000 2600
90 KRV90 KRVE90 90 30 35 1.1 100 63 15 M30x1.5 32 8 4 1 53 35 29 1.5 450 60000 142000 53000 130000 1700
90 KRV90PP KRVE90PP 90 30 35 1.1 100 63 15 M30x1.5 32 8 4 1 53 35 29 1.5 450 60000 142000 53000 130000 1700
90 NUKRE90 90 30 35 1.1 100 63 15 M30x1.5 32 8 4 1 47 35 29 1.5 450 95000 133000 77000 110000 1800

  • Model KR, KR...PP Curve Roller

In Model KR, KR...PP curve roller, the rolling body is guided by cage and the outer is axially guided by the baffle ring on the bolt. It is suitable for heavy load and middle rotational speed. Since the bearing has a large grease-storage space, it has a long-term lubrication cycle. Model KR...PP curve roller has the contact-type seal structure.

  • Model KRV, KRV...PP Curve Roller

The structure of Model KRV, KRV...PP curve roller bearing is same with that of Model KR, KR...PP curve roller bearing. Model KRV, KRV...PP curve roller bearing is the full complement needle roller bearing. This cure roller bearing can withstand heavy load under the low speed. However it is necessary to add the lubricating grease at regular intervals.

  • Model NUKR Cure Roller

Model NUKR cure roller bearing has the double-row roller structure. As same as parallel roller bearing, the outer ring is guided axially by rolling body. The cover pressed in outer ring and the shoulder constitutes the high-efficient gas seal. This kind of cure roller bearing can withstand the heavy load and the shock axial load because it is guided axially by roller.

  • KRE KRE...PP Model KREV, KREV...PP NUKRE Curve Roller

Model KRE, KRE...PP, KREV, KREV...PP and NUKRE curve roller bearings are the special-purposed bearings in order to meet the supporting requirement of main machine. The outer ring has roller structure and the bolt shaft substitutes the inner ring. It has compact structure and can be equipped with eccentric-strap. The roller can be adjusted by means of the slot at end of bolt. The lubricating grease can be fed from both ends of bolt. CYS bearing Chaoyang Shining Trading Co., Ltd

yoke type track rollers with thick wall outer ring can roll directly on the tray under heavy load. It includes pressure roller,eccentric roller,rocking arm roller.The roller diameter is of ball shape or cylinder ball shape.With the ball shape,the inclining position resulted during the fitting can be compensated.

Structure
RSTO
No retaining edge in outer ring,yoke type track rollers without inner ring

STO
No retaining edge in outer ring,yoke type track rollers with inner ring

RNA22- 2RS
Double face sealed, yoke type track rollers without inner ring

NA22 - 2RS
Double face sealed, yoke type track rollers with inner ring

NATR
NATR - PP
Plain retaining ring,axial guiding, yoke type track rollers

NATV
NATV - PP
Plain retaining ring,axial guiding, yoke type track rollers
Full complement needle roller type

NUTR
Rolling body guiding,yoke type track rollers,full roller type

CRY
Inch system,plain retaining ring,axial guiding, yoke type track rollers

RSTO and STO type yoke type track rollers

ENKE series yoke type track rollers RSTO type,without inner ring,can directly run on the quenched shaft.STO type has inner rings,its inner ring,outer ring and the combinative needle roller retainer assembly can be fitted separately.Because RSTO and STO type yoke type track rollers have no retaining edges and the end retaining rings,axial guiding is needed in fitting.the guiding surface must be precisely machined at least.


RNA22...2RS,NA22...2RS type yoke type track rollers

The diameter of such rollers is the same as STO series rollers but a little wider.Its double face sealed structure ensures no maintenance requested.The operational temperature range is -20??￡-120??.When fitting the yoke type track rollers without inner rings (RNA22...2RS)series,noice no damage to the sealing rings should occur.The outer ring needs end face guidance.


NATR and NATR...PP type yoke type track rollers

NATR series roller contains outer ring,inner ring,needle retainer assembly and the retaining rings which are pressed and fixed by the two sides of inner ring.NATR...PP series has an additional sealing ring.This kind of yoke type track rollers have huge lubricant storage space,so they can be used for long period without re-grease.


NATV and NATV...PP type yoke type track rollers

NATV series yoke type track roller is basically the same as NATR series.The only difference is that NATV is full complement needle roller type.Therefore it can sustain heavier load under low speed.Frequent lubricating should be noticed.NATV...PP is a series with sealing ring structure.


NUTR type yoke type track rollers

NUTR series yoke type track roller is double row full roller bearing with retaining edge guiding outer ring.All the parts of the bearing are pressed into the sealing cage of outer ring forming a complete unit,the sealing cage,together with the thrust retaining ring form an efficient gap sealing.Very heavy load can be used on this yoke type track rollers.Even with very high speed,it can bear impact axle load due to its axle guidance of its rolling bodies.


Tolerance

In common cases,the precision of the dimensions,shape and the rotation of this yoke type track roller is P0 grade.The outer diameter tolerance of the yoke type track roller with an arc outer diameter is 0￡ˉ-0.05mm,the width tolerance of NATR,NATV,NUTR bearings is h12.


Center adjustability

The yoke type track roller with diameter of cylindrical shape have very small center adjustability.With low load,the center adjustability is 3-4'which with middle and heavy load,it is 5-7'.The yoke type track with diameter of arc shape have a center adjustability of 15-20'.For bigger angle variation,the edge effect will increase with the different loads.This will decrease the life of the bearing.



curve roller is composed of a stud used as the tray of a group of rollers and a thick wall outer ring .The shoulder of the stud and the surface retaining ring on the stud form the guiding faces on the two sides of the outer ring.When the curve rollers are running on the plain tray or cam wheel,the inner stress on the rollers will increase due to the deformation of the outer ring.Therefore the rated load should be selected as curve roller column in this operational case.

Structure

KR
Curve rollers radically guided by the retaining edge and ring

KR - PP
Curve rollers with sealing ring

KRE
Curve rollers with eccentric sleeve

KRE - PP
Curve rollers with eccentric sleeve and retaining sleeve

KRV
Curve rollers radically guided by the retaining edge and ring,Full complement needle roller type

KRV - PP
Curve rollers with sealing ring

KRVE
Curve rollers with eccentric sleeve

KRVE - PP
Curve rollers with eccentric sleeve and retaining sleeve

NUKR
Curve rollers axile guided by rolling bodies,full roller type

NUKRE
Curve rollers with eccentric sleeve

CR
Inch series curve rollers


KR and KR...PP type curve rollers

In KR,KR...PP curve rollers,the rolling needles are guided by the retainer while the outer ring is guided by the retaining ring shaft on the stud.These rollers are suitable for heave load and middle speed revolution.The lubricating can last a long period due to the bigger grease storage space inside the bearing.KR...PP curve roller is of contacting sealing structure.The operational temperature is -30??-100??.


KR and KR...PP type curve rollers

KRV,KRV...PP curve rollers have the same structures as KR,KR...PP type but they are filled with needle bearings.They can be used to bear heavier load and run with lower speed.They should be lubricated very often.


NUKR type curve rollers

This series curve rollers are of double lines full-roller structure.Like all cylindrical roller bearings,they are composed of outer ring cages pressed in the rolling bodies axle guidance and the retaining edge steps which forms highly effective gap sealing.

Especially heavy load can be borne by these rollers and also they can sustain the axile load impact due to the axile guidance by the rollers.


KRE,KRE...PP,KREV,KREV...PP,NUKRE type curve rollers

Curve rollers of all these types can be supplied with eccentric sleeve.The rollers can be adjusted by adjusting the stud end face.The top of the eccentric sleeve is situated at the place where HSB is marked.Lubricating grease can be made through the both ends of the stud.

NNTR

NNTR 38110-2LS, ,NNTR 50130-2LS ,NNTR 50140-2LS ,NNTR 55140-2LS ,NNTR 60130-2LS ,NNTR 60150-2LS ,NNTR 60160-2LS ,NNTR 60165-2LS ,NNTR 65150-2LS ,NNTR 65160-2LS ,NNTR 70180-2LS ,NNTR 70190-2LS ,NNTR 80200-2LS ,NNTR 80210-2LS ,NNTR 80230-2LS ,NNTR 90220-2LS ,NNTR 90240-2LS ,NNTR 100210-2LS ,NNTR 100215-2LS ,NNTR 100240-2LS

 
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