RKS.061.25.1754 Medium Size Four-point Contact Ball Slewing Bearings

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RKS.061.25.1754

Bore Diameter:1646 mm

Outside Diameter:1901 mm

Width:68 mm

Weight:257 kg

Min. Order:1 Piece

The RKS.061.25.1754 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.061.25.1754 bearing is a Medium size four-point contact ball slewing bearings with an inner diameter of 1646 mm , an outer diameter of 1901 mm, a width of 68 mm. 50Mn or 42CrMo rings, GCr15 rolling mlement. It primarily bears axial, radial, and tilting moments, Its dynamic axial rated load is approximately 585000 N, its static axial rated load is approximately 5840000 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:

1646 mm

Outside Diameter:

1901 mm

Thickness:

68 mm

Weight:

257 KG

Dynamic load Capacity, axial:

585000 N

Static load Capacity, axial:

5840000 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.061.25.1754 bearings ( 1646 mm x 1901 mm x 68 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.061.25.1754
Bearing Type	Medium size four-point contact ball slewing bearings
Gear type	external gear
Weight [lb]	566.582
Interchangeable	SKF RKS.061.25.1754
Rows NO.	One
C_a Dynamic Axial [lbf]	131508
C_0a Static Axial [lbf]	1312832
Raceway curves	r6.
Bolt curves	b6
Dimension
dm [inch]	69.055
d φ Inside [inch]	64.803
D Φ Outside [inch]	74.842
H Overall Hight [inch]	2.677
D₁ [inch]	69.193
d₁ [inch]	68.917
bolt holes
J_e (Outer ring) [inch]	71.575
K_e (Outer ring) [mm]	22
N_e (Outer ring)	60
J_i (Inner ring) [inch]	66.535
K_i (Inner ring) [mm]	22
N_i (Inner ring)	60
Gear
do Gear (PCD) [inch]	73.622
m Module [inch]	0.394
z Teeth No.	187
x·m [mm]	+6.5
k·m [mm]	-1
Tooth forces
T fnormal [lbf]	10116
T fmax [lbf]	29224

The RKS.061.25.1754 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.061.25.1754 Medium Size Four-point Contact Ball Slewing Bearings

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