RKS.22 0641 Light Series Four-point Contact Ball Slewing Bearings

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RKS.22 0641

Bore Diameter:546 mm

Outside Diameter:748 mm

Width:56 mm

Weight:48 kg

Min. Order:1 Piece

The RKS.22 0641 Flanged-type slewing bearings are widely used in Scenarios that require equipment weight, installation space, and rotational flexibility, but have medium or low load-bearing requirements, such as industrial robots (wrist joints), machine tools (tool magazines, turntables), automated equipment (robotic arms), medical equipment (surgical robots), packaging equipment, and aerospace (antenna drive mechanisms), among other fields.

The RKS.22 0641 bearing is a Light series four-point contact ball slewing bearings with an inner diameter of 546 mm , an outer diameter of 748 mm, a width of 56 mm. 50Mn or 42CrMo rings, GCr15 rolling mlement. It primarily bears axial, radial, and tilting moments, Its dynamic axial rated load is approximately 200000 N, its static axial rated load is approximately 440000 N. Double Sealed type, non-reinforced acrylonitrile-butadiene rubber (NBR). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

546 mm

Outside Diameter:

748 mm

Thickness:

56 mm

Weight:

48 KG

Dynamic load Capacity, axial:

200000 N

Static load Capacity, axial:

440000 N

Specifications:

Structure:

Light load slewing bearings (Internal gear type)

Number of Rows:

One

Load Direction:

axial, radial, and tilting moments

Bearing Material:

50Mn or 42CrMo

Seals Type:

Double Sealed

Seal Material:

non-reinforced acrylonitrile-butadiene rubber (NBR)

Rolling Mlement Material:

GCr15

Operating Temperature:

-40 to 110 °C

System of Measurement:

Metric

Series:

RKS.22

Rolling Element:

Balls

Gear Options:

internal gear

Transaction Information:

Transport Package:

Standard Export Package

Service:

7*24 hour

Shipping Ways:

by Sea or Air

Country of Origin:

china

Stock:

10 Piece

Port:

Tianjin, Shanghai, Shenzhen, Guangzhou or Qingdao

Payment term:

by T/T in advance

Delivery time:

2-3 days for stock, 25-30 days for bulk production

Detailed description

RKS.22 0641 bearings ( 546 mm x 748 mm x 56 mm) have the advantages of Lightweight, compact, flexible in operation, with good load-bearing capacity, and easy to install, and are therefore widely used in the Industrial robots, medical equipment (CT scanner), packaging machinery.

Part Number	RKS.22 0641
Bearing Type	Light series four-point contact ball slewing bearings
Gear type	internal gear
Weight [lb]	105.821
Interchangeable	SKF RKS.22 0641
Rows NO.	One
C_a Dynamic Axial [lbf]	44960
C_0a Static Axial [lbf]	98912
Raceway curves	r3.
Bolt curves	b3
Dimension
dm [inch]	25.236
d φ Inside [inch]	21.496
D Φ Outside [inch]	29.449
H Overall Hight [inch]	2.205
D₁ [inch]	26.929
D₂ [inch]	25.295
d₂ [inch]	25.177
bolt holes
J_e (Outer ring) [inch]	28.346
K_e (Outer ring) [mm]	18
N_e (Outer ring)	12
J_i (Inner ring) [inch]	23.819
K_i (Inner ring) [mm]	M 12
N_i (Inner ring)	18
Gear
do Gear (PCD) [inch]	21.968
m Module [inch]	0.236
z Teeth No.	93
Tooth forces
T fnormal [lbf]	3596
T fmax [lbf]	14612

The RKS.22 0641 Flange-type slewing bearings mainly consist of an inner or outer ring with a flange, another ring, rolling elements (steel balls or rollers), spacers, and sealing devices. The flange rings have mounting holes for direct bolt connection.

The flange structure of flange-type slewing bearings simplifies the installation process, eliminating the need for additional mounting seats, resulting in convenient assembly and precise positioning. They offer high overall rigidity, capable of simultaneously withstanding axial loads, radial loads, and overturning moments, while their compact structure saves space.

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