Wholesale Slew Ring RB90070 Crossed Roller Bearing Parts With High Precision

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RB90070

Bore Diameter:900 mm

Outside Diameter:1050 mm

Width:70 mm

Weight:120 kg

Reference FOB Price:US300 ~ 800 800 / Piece

Min. Order:1 Piece

The RB90070 bearing is a precision bearing with an inner diameter of 900 mm , an outer diameter of 1050 mm, a width of 70 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 494, its static radial rated load is approximately 1490. 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:

900 mm

Outside Diameter:

1050 mm

Thickness:

70 mm

Weight:

120 KG

Outer Ring Width:

Inner Ring Width:

Chamfer (r):

Performance Data:

Dynamic load Capacity, Radial (Cr):

494

Static load Capacity, Radial (Cor):

1490

Limiting speed (Oil rpm):

EP2

Specifications:

HS Code:

8482109000

Structure:

cross roller slewing bearing

Number of Rows:

single row

Demensions:

1050*900*70

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

Wholesale slew ring RB90070 crossed roller bearing parts with high precision

Bearing model number:	RB90070
Bearing types	cross roller slewing bearing
Bearing material	50Mn/steel
Sahft diameter	900mm
D(outer ring)	1050mm
d(inner ring)	900mm
Dp(roller pitch circle diameter)	969mm
B B1(width)	70mm
Greasing hole	4
r(min)(Chamfer)	5
Shoulder height ds	937mm
Shoulder height Dh	1001mm
Basic load rating(radial) Cr	494kN
Basic load rating(radial) Cor	1490kN
Rotation accuracy	P5/P4/P2
Mass	120kgs
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:

RB3010 RB3510 RB4010 RB4510

RB5013 RB6013 RB7013

RB8016 RB9016

RB10016 RB10020

RB11012 RB11015 RB11020

RB12016 RB12025

RB13015 RB13025

RB14016 RB14025

RB15013 RB15025 RB15030

RB16025

RB17020

RB18025

RB19025

RB20025 RB20030 RB20035

RB22025

RB24025

RB25025 RB25030 RB25040

RB30025 RB30035 RB30040

RB35020

RB40035 RB40040

RB45025

RB50025 RB50040 RB50050

RB60040

RB70045

RB80070

RB90070

RB1000110

RB1250110

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

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High quality RB90070 ( 120 kg Mass, ID: 900 mm OD: 1050 mm WD: 70 mm , single row Rows , 0.01 Radial Clearance , P5/P4/P2 Accuracy Class , 42CrMo/50Mn/custom Material , 494 Radial dynamic , 1490 Radial static ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. RB90070. 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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Wholesale Slew Ring RB90070 Crossed Roller Bearing Parts With High Precision

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