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SX011818 90*115*13mm crossed roller bearing use for CT Medical equipment

Minimum Order Quantity : 1 Price : USD
Packaging Details : Single box/Wooden case Delivery Time : 7-35 days
Payment Terms : TT Supply Ability : 10000/pcs/week
Place of Origin: LUOYANG Brand Name: MONTON
Certification: ISO9001 Model Number: SX011818

Detail Information

Material: GCr15 Or GCr15SiMn Accuracy: P5/P4/P2
Application: Harmonic Reducer Or Robot Customer: MKD,LCM,DMG,Coma,Sumsung
Market: Europe,USA,Korean Other Types: RE,RB,RU,RX,SX Series
Original: Luoyang
High Light:

industrial turntable bearings

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crossed cylindrical roller bearing

Product Description

SX011818 Crossed roller bearing

Crossed roller bearing

di 90 mm Tolerance: K6
+0,004/-0,018
Da 115 mm Tolerance: h6
0/-0,022
H 13 mm Section height of bearing
Tolerance: +/-0,06
Di 102,5 mm  
DM 102 mm  
da 101,5 mm  
h 13 mm Height of individual ring
Tolerance: E8
0/-0,01
rmin 1 mm  
S 1,2 mm Lubrication hole: 3 holes spaced evenly around the circumference
m 0,4 kg Mass
  0,010 mm Running accuracy, radial
  0,010 mm Running accuracy, axial
sr min 0,003 mm Min. radial bearing clearance
sr max 0,015 mm Maximum radial bearing clearance
sk min 0,006 mm Min. axial tilting clearance
sk max 0,03 mm Maximum axial tilting clearance
RLOmax 0,003 mm Low clearance: Radial clearance
RLOmax 0,006 mm Low clearance: Preload
VSPmin 0,003 mm Min. bearing preload
VSPmax 0,015 mm Maximum bearing preload
Ca 26500 N Basic dynamic load rating, axial
C0a 87000 N Basic static load rating, axial
Cr 18900 N Basic dynamic load rating, radial
(for radial load only)
C0r 43000 N Basic static load rating, radial
(for radial load only)
nG Öl 1500 1/min Limiting speed for oil lubrication with normal clearance
nG Fett 750 1/min Limiting speed for grease lubrication with normal clearance
nG Öl 750 1/min Limiting speed for oil lubrication with preload
nG Fett 375 1/min Limiting speed for grease lubrication with preload
  61818 Dimensions identical to ISO dimension series 18

 

SX011818 crossed roller bearing

SX series crossed roller bearings  

Identification

number

Main dimensions Basic load rating(axial) Basic load rating(radial) Weight
            Ca Coa Cr Cor
d D Dpw B B1 S r kN kN kN kN kg
SX011814 70 90 80 10 1.2 0.6 18 60 12 30 0.3
SX011818 90 115 102 13 1.2 1 26 96 17 47 0.4
SX011820 100 125 112 13 1.2 1 28 106 18 52 0.5
SX011824 120 150 135 16 1.5 1 41 153 26 75 0.8
SX011828 140 175 157 18 1.5 1.1 64 237 41 116 1.1
SX011832 160 200 180 20 1.5 1.1 69 272 44 133 1.7
SX011836 180 225 202 22 2 1.1 98 381 63 187 2.3
SX011840 200 250 225 24 2 1.5 106 425 68 208 3.1
SX011848 240 300 270 28 2 2 149 612 95 300 5.3
SX011860 300 380 340 38 2.5 2.1 245 1027 156 504 12
SX011868 340 420 380 38 2.5 2.1 265 1148 167 563 13.5
SX011880 400 500 450 46 2.5 2.5 385 1699 244 833 24
SX0118/500 500 620 560 56 2.5 3 560 2538 355 1244 44
 

 

 

china crossed roller bearing manufacturer

Crossed Roller Bearing

Features of the Crossed Roller Ring

crossedrollerbearingfeature.jpg

Structure and Features

With the Cross-Roller Ring, cylindrical rollers are arranged with each roller perpendicular to the adjacent roller, in a 90° V groove, separated from each other by a spacer retainer. This design allows just one bearing to receive loads in all directions including radial, axial and moment loads. Since the Cross-Roller Ring achieves high rigidity despite the minimum possible dimensions of the inner and outer rings, it is optimal for applications such as joints and swiveling units of industrial robots, swiveling tables of machining centers, rotary units of manipulators, precision rotary tables, medical equipment, measuring instruments and IC manufacturing machines.

 

High Rotation Accuracy

The spacer retainer fitting among cross-arrayed rollers prevents rollers from skewing and the rotational torque from increasing due to friction between rollers. Unlike conventional types using steel sheet retainers, the Cross-Roller Ring does not cause unilateral contact of roller or seize. Thus, even under a preload, the Cross-Roller Ring provides stable rotation.

Since the inner and outer rings are designed to be separable, the bearing clearance can be adjusted.

In addition, a preload can be applied. These features enable accurate rotation.

 

Easy Handling

The inner and outer rings, which are separable, are secured to the Cross-Roller Ring body after being installed with rollers and spacer retainers in order to prevent the rings from separating from each other. Thus, it is easy to handle the rings when installing the Cross-Roller Ring.

 

Skewing Prevention

The spacer retainer keeps rollers in their proper position, thereby preventing them from skewing(tilted rollers). This eliminates friction between rollers, and therefore secures a stable rotational torque.

 

Increased Rigidity (Three to Four Times Greater than the Conventional Type) Unlike the thin angular ball bearings installed in double rows, the cross array of rollers allows a single Cross-Roller Ring unit to receive loads in all directions, increasing the rigidity to three to four times greater than the conventional type.

crossedrollerbearingmodel.jpg

Large Load Capacity

(1) Compared with conventional steel sheet retainers, the spacer retainer allows a longer effective

contact length of each roller, thus signifi cantly increasing the load capacity. The spacer retainer guides rollers by supporting them over the entire length of each roller, whereas the conventional type of retainer supports them only at a point at the center of each roller. Such one-point contact cannot suffi ciently prevent skewing.

01.jpg

(2) In conventional types, the loaded areas are asymmetrical between the outer ring and the inner ring sides around the roller longitudinal axis. The greater the applied load is, the greater the moment becomes, leading end-face contact to occur. This causes frictional resistance, which hinders smooth rotation and quickens wear.

02.jpg

 

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