RKS.061.20.0944 Medium Size Four-point Contact Ball Slewing Bearings

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RKS.061.20.0944

Bore Diameter:872 mm

Outside Diameter:1046.4 mm

Width:56 mm

Weight:77 kg

Min. Order:1 Piece

The RKS.061.20.0944 Single-row four-point contact ball slewing bearings are widely used in rotational applications requiring the ability to withstand combined loads (axial force, radial force, and overturning moment) and demanding a compact structure and low self-weight, such as engineering machinery (truck cranes, excavators), wind power generation (yaw bearings), port machinery, photovoltaic tracking systems, robotics, and medical devices.

The RKS.061.20.0944 bearing is a Medium size four-point contact ball slewing bearings with an inner diameter of 872 mm , an outer diameter of 1046.4 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 286000 N, its static axial rated load is approximately 2340000 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:

872 mm

Outside Diameter:

1046.4 mm

Thickness:

56 mm

Weight:

77 KG

Dynamic load Capacity, axial:

286000 N

Static load Capacity, axial:

2340000 N

Specifications:

Structure:

Four point contact ball slewing bearings (External 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.061

Rolling Element:

Balls

Gear Options:

external 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.061.20.0944 bearings ( 872 mm x 1046.4 mm x 56 mm) have the advantages of Compact structure, lightweight, small footprint, high cost-performance ratio, and are therefore widely used in the Robots, construction machinery, wind turbines, radar antennas, and various rotary worktables.

Part Number	RKS.061.20.0944
Bearing Type	Medium size four-point contact ball slewing bearings
Gear type	external gear
Weight [lb]	169.754
Interchangeable	SKF RKS.061.20.0944
Rows NO.	One
C_a Dynamic Axial [lbf]	64292
C_0a Static Axial [lbf]	526032
Raceway curves	r6.
Bolt curves	b6
Dimension
dm [inch]	37.165
d φ Inside [inch]	34.331
D Φ Outside [inch]	41.197
H Overall Hight [inch]	2.205
D₁ [inch]	37.224
d₁ [inch]	37.106
bolt holes
J_e (Outer ring) [inch]	38.779
K_e (Outer ring) [mm]	M 12
N_e (Outer ring)	40
J_i (Inner ring) [inch]	35.354
K_i (Inner ring) [mm]	13.5
N_i (Inner ring)	44
Gear
do Gear (PCD) [inch]	40.630
m Module [inch]	0.315
z Teeth No.	129
k·m [mm]	-0.8
Tooth forces
T fnormal [lbf]	4720
T fmax [lbf]	16185

The RKS.061.20.0944 Single-row four-point contact ball slewing bearings mainly consist of an inner ring, an outer ring, steel balls, spacers, and a sealing device. The raceways are peach-shaped or arc-shaped, and the steel balls form four-point contact with the inner and outer ring raceways. Gears can be integrated into the inner and outer rings.

Single-row four-point contact ball slewing bearings feature a low axial height and light weight due to their single-row structure. One bearing can simultaneously withstand axial loads, radial loads, and overturning moments. The four-point contact design provides high load-bearing capacity, good rigidity, and easy installation and maintenance.

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RKS.061.20.0944 Medium Size Four-point Contact Ball Slewing Bearings

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