SR20-1120L RAIL THK Linear Bearing,Linear Motion Guides,Radial Type Caged Ball LM Guide (SSR),Radial Rail (SR) for SSR Blocks

Brand Name:THK
Model Number:SR20-1120L RAIL
Bearing number:4T-67389/67322
Size (mm):130.175x196.85x46.038
Bore Diameter (mm):130,175
Outer Diameter (mm):196,85
Width (mm):46,038
d:130,175 mm
D:196,85 mm
T:46,038 mm

Product Details

Bearing number4T-67389/67322
Size (mm)130.175x196.85x46.038
Bore Diameter (mm)130,175
Outer Diameter (mm)196,85
Width (mm)46,038
d130,175 mm
D196,85 mm
T46,038 mm
B46,038 mm
C38,1 mm
ra1 max.3,3 mm
a6,3 mm
Da180 mm
db141 mm
ra max.3,5 mm
da146 mm
Db189 mm
Weight4,87 Kg
Basic dynamic load rating (C)310 kN
Basic static load rating (C0)550 kN
(Grease) Lubrication Speed1 700 r/min
(Oil) Lubrication Speed2 200 r/min
Calculation factor (e)0,34
Calculation factor (Y0)0,96
d1165.5 mm
e0.34
Y21.74
Y00.96
Dynamic load, C310 kN
Rating life coefficient, A21.4
Static load, C0550 kN
Fatigue limit load, Cu57.7 kN
Nlim (oil)2,200 rpm
Nlim (grease)1,700 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.46 Hz
Characteristic rolling element frequency, BSF10.77 Hz
Characteristic outer ring frequency, BPF013.2 Hz
Characteristic inner ring frequency, BPFI15.8 Hz
ra max3.5 mm
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Company Profile

Phone +1-758-665-5898
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