Product details from catalogue Inquiry

Drawings:

B7044-C-T-P4S-UL FAG

Spindle bearings B70..-C, adjusted, in pairs or sets, contact angle ? = 15°, restricted tolerances

Replacements: B7044C.T.P4S.UL, B7044C.TPA.P4.UL


d Bore diameter 220 mm
D Outside diameter 340 mm
B Width 56 mm
Cr Basic dynamic load rating, radial 330.000 N
C0r Basic static load rating, radial 310.000 N
Cur Fatigue load limit, radial 19.500 N
nG Grease Limiting speed for grease lubrication 4.000 1/min
nG Oil Limiting speed for oil lubrication 6.000 1/min
≈m Weight 15,7 kg
da Diameter shaft shoulder 239 mm
da Diameter shaft shoulder clearance h12
Da Shoulder diameter outer ring 321 mm
Da Shoulder diameter outer ring clearance H12
ra max Maximum recess radius 2,5 mm
ra1 max Maximum recess radius 1 mm
Etk min Minimum diameter injection pitch 257,1 mm
Etk max Maximum diameter injection pitch 270,1 mm
Etk1 min Minimum diameter injection pitch 257,1 mm
Etk1 max Maximum diameter injection pitch 270,1 mm
a Distance between the apexes of the pressure cones 65,5 mm
rmin Minimum chamfer dimension 3 mm
r1 min Minimum chamfer dimension 3 mm
α Contact angle 15 °
Tmin Operating temperature min. -30 °C
Tmax Operating temperature max. 100 °C
FV L Preload force light 1.902 N
FV M Preload force medium 6.047 N
FV H Preload force heavy 12.156 N
KaE L Lift-off force light 5.777 N
KaE M Lift-off force medium 19.638 N
KaE H Lift-off force heavy 41.892 N
ca L Axial rigidity light 210 N/µm
ca M Axial rigidity medium 347 N/µm
ca H Axial rigidity heavy 488 N/µm
Contact angle Contact angle 15° C
Lubricant Without
Sealing Without
Outer shape Standard
Cage Laminated fabric cage T
Tolerance class tolerance class P4S, FAG standard better than P4 to DIN 620 P4S
Arrangement bearing set Single bearing U
Preload preload light L