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Bearing housed units RA55 INA image

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The details of BEARING UNITS

Bearing number:7214 CD/HCP4A
Size (mm):125x70x24
Bore Diameter (mm):125
Outer Diameter (mm):70
Width (mm):24
d:70 mm
D:125 mm
B:24 mm
d1:87.9 mm
d2:87.9 mm
D1:107.1 mm
r1,2 - min.:1.5 mm
r3,4 - min.:0.6 mm
a:25.1 mm
da - min.:79 mm
db - min.:79 mm
Da - max.:116 mm
Db - max.:120.8 mm
ra - max.:1.5 mm
rb - max.:0.6 mm
dn:91.6 mm
Basic dynamic load rating - C:68.9 kN
Basic static load rating - C0:58.5 kN
Fatigue load limit - Pu:2.4 kN
Limiting speed for grease lubrication:14000 r/min
Limiting speed for oil lubrication:20000 mm/min
Ball - Dw:15.875 mm
Ball - z:16
Gref:13.701 cm3
Calculation factor - f0:14.8
Preload class A - GA:260 N
Preload class B - GB:520 N
Preload class C - GC:1040 N
Preload class D - GD:2080 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.03
Calculation factor - f2D:1.06
Calculation factor - fHC:1.01
Preload class A:92 N/micron
Preload class B:124 N/micron
Preload class C:173 N/micron
Preload class D:249 N/micron
r1,2 min.:1.5 mm
r3,4 min.:0.6 mm
da min.:79 mm
db min.:79 mm
Da max.:116 mm
Db max.:120.8 mm
ra max.:1.5 mm
rb max.:0.6 mm
Basic dynamic load rating C:68.9 kN
Basic static load rating C0:58.5 kN
Fatigue load limit Pu:2.45 kN
Attainable speed for grease lubrication:14000 r/min
Attainable speed for oil-air lubrication:20000 r/min
Ball diameter Dw:15.875 mm
Number of balls z:16
Reference grease quantity Gref:13.701 cm³
Preload class A GA:260 N
Static axial stiffness, preload class A:92 N/µm
Preload class B GB:520 N
Static axial stiffness, preload class B:124 N/µm
Preload class C GC:1040 N
Static axial stiffness, preload class C:173 N/µm
Preload class D GD:2080 N
Static axial stiffness, preload class D:249 N/µm
Calculation factor f:1.08
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.03
Calculation factor f2D:1.06
Calculation factor fHC:1.01
Calculation factor f0:14.8
Mass bearing:0.95 kg

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Pioneer Machinery Source: Email[email protected]; Address13 Tuas Road Distributor Service Singapore 638512; Phone(Working Time)0065 82577418; Fax0065 82577552

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