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Nachi
20TAB04U-2LR
20mm Inner Diameter x 47mm Outer Diameter x 15mm Width Ball Screw Support Bearing with 2 Contact Seals
MODEL 20TAB04U-2LR
$130.00 Each
Prices are subject to change
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Returnable: See conditions
Bore Type
Cylindrical
Cage Material
PA66 Polyamide Resin
Contact Angle (Deg)
60°
Dynamic Load Capacity (N)
25900
Grease Fill
Multemp PS2
Inner Diameter (mm)
20
Inner Ring Material
JIS SUJ2 Steel
Internal Clearance
N/A
ISO Precision Class
P4
Limiting Speed - Grease (RPM)
4400
Limiting Speed - Oil (RPM)
8000
Max Operating Temp.
120°C (248°F)
Outer Diameter (mm)
47
Outer Ring Material
JIS SUJ2 Steel
Preload
Medium
Rolling Element Material
JIS SUJ2 Steel
Seals or Shields
2 Contact Seals
Snap Ring
N/A
Static Load Capacity (N)
32000
Universally (Flush) Ground
Yes
Width (mm)
8000
This bearing type is used for supporting the ball screws that are used as actuators of high precision and high speed machines, precision measurement equipment, robots, etc. This is a precision and high ability bearing. Seal is integrated into a ball screw support bearing with great axial rigidity. Maintenance-free because high performance grease is pre-filled (prevents entry of foreign substance from outside). Preset preload for easy installation onto the machine. With plastic cage, more balls are incorporated than conventional angular contact ball bearing to increase rigidity. Energy saving thanks to excellent low starting torque and rotational torque. Contact type seals with excellent sealing performance and non-contact type seals with reduced torque loss and temperature rise.
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