Bearing CRO-6501 NTN -

: NACHI PZS Series Hydraulic Piston Pumps Origin Japan NACHI PZE Series Hydraulic Piston Pumps Origin Japan Komastu Gear Pump Origin Japan

English

✖

Home

Stock Categories

Quality Control

NACHI PZS Series Hydraulic Piston Pumps Origin Japan

NACHI PZE Series Hydraulic Piston Pumps Origin Japan

Komastu Gear Pump Origin Japan

Home>Products>Tapered Roller Bearings>Bearing CRO-6501 NTN image

Bearing CRO-6501 NTN image

Back to product page

Bearing CRO-6501 NTN Description of the code

Bearing number:71911 ACD/P4AL
Size (mm):80x55x13
Bore Diameter (mm):80
Outer Diameter (mm):55
Width (mm):13
d:55 mm
D:80 mm
B:13 mm
d1:62.7 mm
d2:62.7 mm
D1:72.3 mm
b:2.2 mm
C1:6.5 mm
C2:3.2 mm
C3:2 mm
r1,2 - min.:1 mm
r3,4 - min.:0.3 mm
a:22.4 mm
da - min.:59.6 mm
db - min.:59.6 mm
Da - max.:75.4 mm
Db - max.:78 mm
ra - max.:1 mm
rb - max.:0.3 mm
dn:64.7 mm
Basic dynamic load rating - C:18.2 kN
Basic static load rating - C0:13.7 kN
Fatigue load limit - Pu:0.585 kN
Limiting speed for grease lubrication:15000 r/min
Limiting speed for oil lubrication:24000 mm/min
Ball - Dw:7.938 mm
Ball - z:23
Gref:2.49 cm3
Calculation factor - e:0.68
Calculation factor - Y2:1.41
Calculation factor - Y0:0.76
Calculation factor - X2:0.67
Calculation factor - Y1:0.92
Preload class A - GA:120 N
Preload class B - GB:240 N
Preload class C - GC:480 N
Preload class D - GD:960 N
Calculation factor - f:1.15
Calculation factor - f1:0.98
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.08
Calculation factor - f2D:1.14
Calculation factor - fHC:1
Preload class A:124 N/micron
Preload class B:161 N/micron
Preload class C:211 N/micron
Preload class D:282 N/micron
r1,2 min.:1 mm
r3,4 min.:0.3 mm
da min.:59.6 mm
db min.:59.6 mm
Da max.:75.4 mm
Db max.:78 mm
ra max.:1 mm
rb max.:0.3 mm
Basic dynamic load rating C:18.2 kN
Basic static load rating C0:13.7 kN
Fatigue load limit Pu:0.585 kN
Attainable speed for grease lubrication:15000 r/min
Attainable speed for oil-air lubrication:24000 r/min
Ball diameter Dw:7.938 mm
Number of balls z:23
Reference grease quantity Gref:2.49 cm³
Preload class A GA:120 N
Static axial stiffness, preload class A:124 N/µm
Preload class B GB:240 N
Static axial stiffness, preload class B:161 N/µm
Preload class C GC:480 N
Static axial stiffness, preload class C:211 N/µm
Preload class D GD:960 N
Static axial stiffness, preload class D:282 N/µm
Calculation factor f:1.15
Calculation factor f1:0.98
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.08
Calculation factor f2D:1.14
Calculation factor fHC:1
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (single, tandem) Y0:0.38
Calculation factor (single, tandem) X2:0.41
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Calculation factor (back-to-back, face-to-face) Y0:0.76
Calculation factor (back-to-back, face-to-face) X2:0.67
Mass bearing:0.18 kg

Contact Us

: Email[email protected]; Address; Phone(Working Time); Fax

Send Now