CRBE 02012 A WW C1 P2 Bore 20 Mm, High Rigidity With Mounting Holes (CRBE) Crossed Roller Bearings, Sealed Type

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CRBE 02012 A WW C1 P2

Bore Diameter:20 mm

Outside Diameter:70 mm

Width:12 mm

Weight:0.3 kg

Min. Order:1 Piece

The CRBE 02012 A WW C1 P2 Crossed roller bearings are suitable for high-precision, high-rigidity, and space-constrained rotary applications. Classic applications include industrial robot joints and positioners, CNC machine tool rotary tables and indexing heads, medical CT scanner rotating frames, radar antenna rotation mechanisms, precision measuring instruments, and aerospace simulation rotary tables.

The CRBE 02012 A WW C1 P2 bearing is a High rigidity with mounting holes (CRBE) crossed roller bearings, sealed type with an inner diameter of 20 mm , an outer diameter of 70 mm, a width of 12 mm. It typically uses P2 = (ISO Class 2 / ABEC-9) grade precision tolerances and 50Mn,42CrMo rings, GCr15 rolling mlement. It primarily bears radial, thrust and moment, Its dynamic radial rated load is approximately 8260 N, its static radial rated load is approximately 9160 N. Its dynamic axial rated load is approximately 18000 N, its static axial rated load is approximately 20800 N. It uses C1: Positive clearance standard radial clearance, WW: Double sides Sealed type type, NBR (Nitrile Butadiene Rubber). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

20 mm

Outside Diameter:

70 mm

Thickness:

12 mm

Weight:

0.3 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

8260 N

Static load Capacity, Radial (Cor):

9160 N

Dynamic load Capacity, axial:

18000 N

Static load Capacity, axial:

20800 N

Reference speed (Grease rpm):

1470

Limiting speed (Oil rpm):

1970

Specifications:

Structure:

Crossed Roller Bearings

Number of Rows:

One

Radial Clearance Trade No.:

C1: Positive clearance

Precision Rating:

P2 = (ISO Class 2 / ABEC-9)

Load Direction:

radial, thrust and moment

Bearing Material:

50Mn,42CrMo

Seals Type:

WW: Double sides Sealed type

Seal Material:

NBR (Nitrile Butadiene Rubber)

Rolling Mlement Material:

GCr15

Bore Type:

Cylindrical

Operating Temperature:

-30 to 120 °C

System of Measurement:

Metric

Rolling Element:

Cylindrical Rollers

Transaction Information:

Transport Package:

Standard Export Package

Service:

7*24 hour

Shipping Ways:

by Sea or Air

Country of Origin:

china

Stock:

30 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

CRBE 02012 A WW C1 P2 bearings ( 20 mm x 70 mm x 12 mm) have the advantages of The rollers are arranged in a cross pattern, allowing them to withstand radial, axial, and overturning moments simultaneously. They offer high rigidity and rotational accuracy while compact and space-saving design, and easy installation, and are therefore widely used in the Industrial robots, CNC machine tools, medical equipment, precision measuring instruments and aerospace.

Part Number	CRBE 02012 A WW C1 P2
Bearing Type	High rigidity with mounting holes (CRBE) crossed roller bearings, sealed type
Mounting Holes	A: With mounting screw holes (Thread holes on inner ring , sink holes on outer ring)
Design	High rigidity with mounting holes (an inner ring and an outer ring with mounting holes), both inner and outer ring rotation
Rolling Element Type	Cylindrical Rollers
Rows NO.	One
Manufacturer Part Code	CRBE02012AWWC1P2
Load	radial, thrust and moment
Seal symbol	WW: Double sides Sealed type
Seal Material	NBR (Nitrile Butadiene Rubber)
Accuracy class	P2 = (ISO Class 2 / ABEC-9)
Temperature - T(min) [°C]	-30
Temperature - T(max) [°C]	120
Interchangeable	HIWIN CRBE 02012 A WW C1 P2
Inner/Outer Ring Material	50Mn,42CrMo
Rolling Element Material	GCr15
Axial internal clearance	C1: Positive clearance
d φ Inside [mm]	20
D Φ Outside [mm]	70
T,B Width [mm]	12
C min Chamfer [mm]	0.6
d_OH Oil Holes [mm]	3
C_r Radial Dynamic [N]	8260
C_0r Radial Static [N]	9160
C_a Dynamic Axial [N]	18000
C_0a Static Axial [N]	20800
m Weight [kg]	0.3
n_B Reference speed (grease) [r/min]	1470
n_G Limiting speed (oil) [r/min]	1970
Mounting dimensions - da [mm]	35
Mounting dimensions - Da [mm]	47
Td max Idling torque [Nm]	0.075
PCD₁ Inner rings [mm]	28
Inner rings mounting holes	6-M3 through
PCD₂ Outer rings [mm]	57
Outer rings mounting holes	6-φ3.4 through φ6.5 counter bore depth 3.3

The CRBE 02012 A WW C1 P2 Crossed roller bearings consist of inner and outer rings, cylindrical rollers, spacers, and seals. The rollers are arranged at 90° intervals within a V-shaped raceway, allowing for multi-directional load bearing even in a single row.

Crossed roller bearings can simultaneously withstand radial loads, bidirectional axial loads, and overturning moments. They possess extremely high rigidity and rotational accuracy, and their compact structure saves installation space, simplifying machine tool design.

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CRBE 02012 A WW C1 P2 Bore 20 Mm, High Rigidity With Mounting Holes (CRBE) Crossed Roller Bearings, Sealed Type

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