4T-6280 Cylindrical Roller Bearings Interchange 2018 NEW

✖

Home

Stock Categories

Technical Articles

Spherical Roller Bearings

SKF bearing

Deep Groove Ball Bearing

Home>Products>Cylindrical Roller Bearings Interchange> 4T-6280 Cylindrical Roller Bearings Interchange 2018 NEW image

4T-6280 Cylindrical Roller Bearings Interchange 2018 NEW image

Back to product page

The details of Cylindrical Roller Bearings Interchange

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

Bearing Distributors Inc: Emailiris@bearing-distributors.com; Address1589 Tampines Industrial Distributor Avenue 5 Singapore 528759; Phone(Working Time)0065-31591338; Fax0065-31591338

Send Now

All Groups

Wheel Bearing Kit Compactable Rack Fittings Milling Machine Bearing Filteration Filter Elements Bearings For Special Applications NTN Roller Bearings NSK Thin Section Bearings Kaydon Full Complement Tapered Roller Thrust Bearing Angular Contact Thrust Ball Bearings Type TVL

Bearing Distributors Inc

The details of Cylindrical Roller Bearings Interchange

Contact Us