Product details from catalogue Inquiry
QJ1256-N2-MPA FAG
Four point contact bearing QJ12..-N2-MPA, holding grooves, solid brass cage
d | Bore diameter | 280,00 mm |
D | Outside diameter | 500,00 mm |
B | Width | 90,00 mm |
Cr | Basic dynamic load rating, radial | 790.000,00 N |
C0r | Basic static load rating, radial | 1.600.000,00 N |
Cur | Fatigue load limit, radial | 45.500,00 N |
nG | Limiting speed | 2.240,00 1/min |
nϑr | Reference speed | 1.110,00 1/min |
≈m | Weight | 81,80 kg |
da min | Minimum diameter shaft shoulder | 300,00 mm |
Da max | Maximum diameter of housing shoulder | 480,00 mm |
ra max | Maximum fillet radius | 4,00 mm |
rmin | Minimum chamfer dimension | 5,00 mm |
D1 | Shoulder diameter outer ring | 420,80 mm |
d1 | Shoulder diameter inner ring | 362,45 mm |
a | Distance between the apexes of the pressure cones | 780,00 mm |
an | Hight retaining slot | 15,00 mm |
bn | Width retaining slot | 12,50 mm |
rn | Radius retaining slot | 2,50 mm |
α | Contact angle | 45,00 ° |
Tmin | Operating temperature min. | -30,00 °C |
Tmax | Operating temperature max. | 200,00 °C |
Cage | solid brass cage, outer ring guided | MPA |
Design, bearing outer ring | two retaining grooves in the outer ring on one side | N2 |
Coating | Without | |
Tolerance class | Normal (PN) | PN |
Dimensional / heat stabilization | Rings dimensional stabilized up to 200° | S1 |
Axial internal clearance | Group N (CN) | CN |