787/1000G2 Bearing 1000x1250x100mm - Pioneer Machinery Source

✖

Home

Stock Categories

Technical Articles

NTN BEARINGS JAPAN

TIMKEN BEARING

DEEP GROOVE BALL BEARINGS

Home>Products>OIL MACHINERY BEARINGS>787/1000G2 Bearing 1000x1250x100mm image

787/1000G2 Bearing 1000x1250x100mm image

Back to product page

Types of OIL MACHINERY BEARINGS

Bearing number:7228 ACD/P4A
Size (mm):250x140x42
Bore Diameter (mm):250
Outer Diameter (mm):140
Width (mm):42
d:140 mm
D:250 mm
B:42 mm
d1:176.8 mm
d2:176.8 mm
D1:213.2 mm
r1,2 - min.:3 mm
r3,4 - min.:1.5 mm
a:66.7 mm
da - min.:154 mm
db - min.:154 mm
Da - max.:236 mm
Db - max.:241 mm
ra - max.:2.5 mm
rb - max.:1.5 mm
dn:184.8 mm
Basic dynamic load rating - C:212 kN
Basic static load rating - C0:228 kN
Fatigue load limit - Pu:7 kN
Limiting speed for grease lubrication:5000 r/min
Limiting speed for oil lubrication:7500 mm/min
Ball - Dw:30.162 mm
Ball - z:18
Gref:83.931 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:1350 N
Preload class B - GB:2700 N
Preload class C - GC:5400 N
Preload class D - GD:10800 N
Calculation factor - f:1.09
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.02
Calculation factor - f2D:1.05
Calculation factor - fHC:1
Preload class A:397 N/micron
Preload class B:516 N/micron
Preload class C:679 N/micron
Preload class D:911 N/micron
r1,2 min.:3 mm
r3,4 min.:1.5 mm
da min.:154 mm
db min.:154 mm
Da max.:236 mm
Db max.:241 mm
ra max.:2.5 mm
rb max.:1.5 mm
Basic dynamic load rating C:212 kN
Basic static load rating C0:228 kN
Fatigue load limit Pu:6.95 kN
Attainable speed for grease lubrication:5000 r/min
Attainable speed for oil-air lubrication:7500 r/min
Ball diameter Dw:30.162 mm
Number of balls z:18
Reference grease quantity Gref:83.931 cm³
Preload class A GA:1350 N
Static axial stiffness, preload class A:397 N/µm
Preload class B GB:2700 N
Static axial stiffness, preload class B:516 N/µm
Preload class C GC:5400 N
Static axial stiffness, preload class C:679 N/µm
Preload class D GD:10800 N
Static axial stiffness, preload class D:911 N/µm
Calculation factor f:1.09
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.02
Calculation factor f2D:1.05
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:8.14 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