21313KC4 JAPAN NTN SPHERICAL ROLLER BEARINGS

✖

Home

Stock Categories

Technical Articles

NTN BEARINGS JAPAN

TIMKEN BEARING

DEEP GROOVE BALL BEARINGS

Home>Products>NTN BEARINGS JAPAN>21313KC4 JAPAN NTN SPHERICAL ROLLER BEARINGS image

21313KC4 JAPAN NTN SPHERICAL ROLLER BEARINGS image

Back to product page

21313KC4 JAPAN NTN SPHERICAL ROLLER BEARINGS Systems

Bearing number:71903 ACD/HCP4A
Size (mm):30x17x7
Bore Diameter (mm):30
Outer Diameter (mm):17
Width (mm):7
d:17 mm
D:30 mm
B:7 mm
d1:20.9 mm
d2:20.9 mm
D1:25.7 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.2 mm
a:9 mm
da - min.:19 mm
db - min.:19 mm
Da - max.:28 mm
Db - max.:28.6 mm
ra - max.:0.3 mm
rb - max.:0.2 mm
dn:22.1 mm
Basic dynamic load rating - C:4 kN
Basic static load rating - C0:2 kN
Fatigue load limit - Pu:0.085 kN
Limiting speed for grease lubrication:53000 r/min
Limiting speed for oil lubrication:80000 mm/min
Ball - Dw:3.969 mm
Ball - z:14
Gref:0.24 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:25 N
Preload class B - GB:50 N
Preload class C - GC:100 N
Preload class D - GD:200 N
Calculation factor - f:1.05
Calculation factor - f1:0.98
Calculation factor - f2A:1
Calculation factor - f2B:1.07
Calculation factor - f2C:1.12
Calculation factor - f2D:1.17
Calculation factor - fHC:1.04
Preload class A:46 N/micron
Preload class B:60 N/micron
Preload class C:78 N/micron
Preload class D:103 N/micron
r1,2 min.:0.3 mm
r3,4 min.:0.2 mm
da min.:19 mm
db min.:19 mm
Da max.:28 mm
Db max.:28.6 mm
ra max.:0.3 mm
rb max.:0.2 mm
Basic dynamic load rating C:3.97 kN
Basic static load rating C0:2 kN
Fatigue load limit Pu:0.085 kN
Attainable speed for grease lubrication:53000 r/min
Attainable speed for oil-air lubrication:80000 r/min
Ball diameter Dw:3.969 mm
Number of balls z:14
Reference grease quantity Gref:0.24 cm³
Preload class A GA:25 N
Static axial stiffness, preload class A:46 N/µm
Preload class B GB:50 N
Static axial stiffness, preload class B:60 N/µm
Preload class C GC:100 N
Static axial stiffness, preload class C:78 N/µm
Preload class D GD:200 N
Static axial stiffness, preload class D:103 N/µm
Calculation factor f:1.05
Calculation factor f1:0.98
Calculation factor f2A:1
Calculation factor f2B:1.07
Calculation factor f2C:1.12
Calculation factor f2D:1.17
Calculation factor fHC:1.04
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:0.015 kg

Contact Us

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

Send Now

Top Products

7304A NTN SPHERICAL ROLLER NTN JAPAN BEARING

7304CGD2 NTN SPHERICAL ROLLER NTN JAPAN BEARING

7304BL1G/GL NTN SPHERICAL ROLLER NTN JAPAN BEARING

All Groups

TIMKEN ROLLER BEARINGS CYLINDRICAL ROLLER THRUST BEARINGS SPHERICAL ROLLER THRUST BEARINGS HIGH PERFORMANCE SEALS HITACHI MOTOR ASSAY MUD PUMP BEARING SPHERICAL ROLLER BEARING NEEDLE ROLLER BEARINGS ANGULAR CONTACT BALL BEARINGS TAPERED ROLLER BALL BEARINGS SL TYPE CYLINDRICAL ROLLER BEARINGS NTN FULL COMPLEMENT CYLINDRICAL ROLLER BEARINGS NSK YUKEN PISTON PUMP HEAVY DUTY NEEDLE ROLLER BEARINGS DAIKIN VANE PUMP

Pioneer Machinery Source

21313KC4 JAPAN NTN SPHERICAL ROLLER BEARINGS Systems

Contact Us

Top Products