China Custom Precision RU445X Cross Roller Bearing For Robot Arms

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RU445X

Bore Diameter:350 mm

Outside Diameter:540 mm

Width:45 mm

Weight:35.4 kg

Reference FOB Price:US300 ~ 800 / Piece

Min. Order:1 Piece

The RU445X bearing is a precision bearing with an inner diameter of 350 mm , an outer diameter of 540 mm, a width of 45 mm. It typically uses P5/P4/P2 grade precision tolerances and features a Nylon/steel/copper cage, GCr15 balls, GCr15 rings. It primarily bears radial, Its dynamic radial rated load is approximately 222, its static radial rated load is approximately 473. It uses 0.01 standard radial clearance, open type, NBR. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Application: joints and swiveling uits of industrial robots, swiveling tables ofmachinine centers, precision rotary tables, medical eouipmen, measuring instruments and iC manufacturing machines.

Dimensions:

Inside Diameter:

350 mm

Outside Diameter:

540 mm

Thickness:

45 mm

Weight:

35.4 KG

Outer Ring Width:

Inner Ring Width:

Chamfer (r):

2.5

Performance Data:

Dynamic load Capacity, Radial (Cr):

222

Static load Capacity, Radial (Cor):

473

Limiting speed (Oil rpm):

EP2

Specifications:

HS Code:

8482109000

Structure:

cross roller slewing bearing

Number of Rows:

single row

Demensions:

540*350*45

Brand:

LYMC

Radial Clearance Trade No.:

0.01

Precision Rating:

P5/P4/P2

Load Direction:

radial

Bearing Material:

42CrMo/50Mn/custom

Cage material:

Nylon/steel/copper

Seals Type:

open

Seal Material:

NBR

Ball Material:

GCr15

Roller Material:

GCr15

Rolling Element:

steel roller

Gear Options:

non-gear

Transaction Information:

Transport Package:

export wooden cases

Service:

reply within 24 hours, oem service, design service, technical support

Shipping Ways:

sea, air, express, train

Country of Origin:

China

Quality Control:

iso9001, QC report

Stock:

100 Piece

Production Capacity:

100pc/month

Port:

qingdao, shanghai, tianjin, ningbo, guangzhou

Payment term:

fob, cif, exw

Delivery time:

15-30 days

Detailed description

China custom precision RU445X cross roller bearing for robot arms

Bearing model number:	RU445X
Bearing types	cross roller slewing bearing
Bearing material	50Mn/steel
D(outer ring)	540mm
d(inner ring)	350mm
Dp(roller pitch circle diameter)	445.4mm
B B1(width)	45mm
r(min)(Chamfer)	2.5
Shoulder height ds	417mm
Shoulder height Dh	473mm
Basic load rating(radial) Cr	222kN
Basic load rating(radial) Cor	473kN
Rotation accuracy	P5/P4/P2
Mass	35.4kgs
mounting hole(inner ring)	24-M12 through
mounting hole(outer ring)	24-φ14 through φ20 counterbore depth 13
Working temperature	-15℃-80℃

Features of crossed roller bearings

1.Structure features:

With the Cross Roller Bearing, cylindrical rollers are aranged croswise, 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 and the precision can reach up to p5,p4.p2, despite the minimum possible dimensions of the inner and outer rings, it is optimal for applications such as joints and swiveling uits of industrial robots, swiveling tables ofmachinine centers, precision rotary tables, medical eouipmen, measuring instruments and iC manufacturing machines.

2.Rotation accuracy:

The spacer retainer fiting among cross-arrayed rollers prevents rollers from skewing and the rotation torque from increasing due to friction between rollers. Unlike conventional types using steel sheet retainers,the Cross Roller Bearing des not cause displacement or locking of rollers and provides a stable rotation torque. Since the inner and ouer rings are designed to be separable, the bearing clearance can be adjusted. in addition, highly accurate rotary motion is ensured through adjusting the bearing clearance to provide a preload.

3.Usage characteristics:

The inner and outer rings, which are separable, are secured to the Cros Roller Bearing body afer the rollers and spacer retainers are installed. This procedure prevents the rings from separating from each other. Thus,it is easy to handle the rings when installing the Cross Roller Bearing. The spacer retainer keeps rollers in their proper position, thereby preventing them from skewing. This eliminates friction between rollers, and therefore secures a stable rotation torque.the cross array of rollers allows a single Cross Roller Bearing unit to receive loads in all directions, increasing the rigidity to three to four times greater than the conventional type.

More types we can Manufacture:

RU42 RU66 RU85

RU124G/RU124 RU124X

RU148G/RU148 RU148X

RU178G/RU178 RU178X

RU228G/RU228 RU228X

RU297G/RU297 RU297X

RU445G/RU445 RU445X

Any interest or more details, please feel free to contact us.

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High quality RU445X ( 35.4 kg Mass, ID: 350 mm OD: 540 mm WD: 45 mm , single row Rows , 0.01 Radial Clearance , P5/P4/P2 Accuracy Class , 42CrMo/50Mn/custom Material , 222 Radial dynamic , 473 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. RU445X. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.

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China Custom Precision RU445X Cross Roller Bearing For Robot Arms

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