KOYO TRB-1427 Thrust Roller Bearing - Horton Bearing Services

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KOYO TRB-1427 Thrust Roller Bearing image

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KOYO TRB-1427 Thrust Roller Bearing Codes and sizes

Bearing number:71972 CDMA/P4A
Size (mm):480x360x56
Bore Diameter (mm):480
Outer Diameter (mm):360
Width (mm):56
d:360 mm
D:480 mm
B:56 mm
d1:397 mm
d2:397 mm
D1:443 mm
r1,2 - min.:3 mm
r3,4 - min.:1.1 mm
a:84.5 mm
da - min.:373 mm
db - min.:373 mm
Da - max.:465 mm
Db - max.:474 mm
ra - max.:2.5 mm
rb - max.:1 mm
dn:407 mm
Basic dynamic load rating - C:397 kN
Basic static load rating - C0:710 kN
Fatigue load limit - Pu:14.6 kN
Limiting speed for grease lubrication:2400 r/min
Limiting speed for oil lubrication:4000 mm/min
Ball - Dw:38.1 mm
Ball - z:30
Gref:313 cm3
Calculation factor - f0:16.7
Preload class A - GA:1460 N
Preload class B - GB:2920 N
Preload class C - GC:5840 N
Preload class D - GD:11680 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.09
Calculation factor - f2D:1.15
Calculation factor - fHC:1
Preload class A:309 N/micron
Preload class B:420 N/micron
Preload class C:588 N/micron
Preload class D:853 N/micron
r1,2 min.:3 mm
r3,4 min.:1.1 mm
da min.:373 mm
db min.:373 mm
Da max.:465 mm
Db max.:474 mm
ra max.:2.5 mm
rb max.:1 mm
Basic dynamic load rating C:397 kN
Basic static load rating C0:710 kN
Fatigue load limit Pu:14.6 kN
Attainable speed for grease lubrication:2400 r/min
Attainable speed for oil-air lubrication:4000 r/min
Ball diameter Dw:38.1 mm
Number of balls z:30
Reference grease quantity Gref:313 cm³
Preload class A GA:1460 N
Static axial stiffness, preload class A:309 N/µm
Preload class B GB:2920 N
Static axial stiffness, preload class B:420 N/µm
Preload class C GC:5840 N
Static axial stiffness, preload class C:588 N/µm
Preload class D GD:11680 N
Static axial stiffness, preload class D:853 N/µm
Calculation factor f:1.29
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.09
Calculation factor f2D:1.15
Calculation factor fHC:1
Calculation factor f0:16.7
Mass bearing:26.7 kg

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