Description
Hole pattern, measuring head suitable for radial screw mounting
Two retaining screws
Measuring head suitable for radial screw mounting
Shaft locating washer
Inner ring
Metric
Imperial
Main Dimensions & Performance Data
d | 180 mm | Bore diameter |
0 mm | Bore diameter upper tolerance | |
-0.013 mm | Bore diameter lower tolerance | |
D | 280 mm | Outside diameter |
0 mm | Outside diameter upper tolerance | |
-0.018 mm | Outside diameter lower tolerance | |
H | 50 mm | Height |
Cr | 100,000 N | Basic dynamic load rating, radial |
C0r | 200,000 N | Basic static load rating, radial |
Ca | 134,000 N | Basic dynamic load rating, axial |
C0a | 730,000 N | Basic static load rating, axial |
nG | 600 1/min | Limiting speed |
MR | 5 Nm | Bearing friction torque at 5 1/min |
≈m | 8.2 kg | Weight |
Mounting dimensions
J | 194 mm | Pitch circle diameter fixing holes in inner ring |
J1 | 260 mm | Pitch circle diameter fixing holes in outer ring |
d1 | 7 mm | Fixing holes diameter inner ring |
d2 | 11 mm | Counterbore diameter of fixing holes |
a | 6.2 mm | Counterbore depth of fixing holes |
46 | Quantity of fixing holes inner ring | |
d3 | 7 mm | Fixing holes diameter outer ring |
45 | Quantity of fixing holes outer ring | |
n | 48 | Pitch quantity |
t | 7.5 ° | Pitch separation angle |
G | M8 | Threaded extraction hole |
3 | Quantity of threaded extraction hole | |
MA | 14 Nm | Screw tightening torque |
2 | Quantity of retaining screws | |
t1 | 4 µm | Axial and radial runout, measurement standard; Measured on mounted bearing, with ideal adjacent construction. |
Dimensions
H1 | 29 mm | Height contact face outer ring |
H2 | 21 mm | Height contact face outer ring |
D1 max | 245.1 mm | Maximum bord diameter inner ring |
DM | 244 mm | Diameter of dimensional scale on shaft locating washer |
C | 15 mm | Width of outer ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Additional information
caL | 4,700 N/µm | Axial rigidity of bearing position |
crL | 3,600 N/µm | Radial rigidity of bearing position |
ckL | 29,000 Nm/mrad | Tilting rigidity of bearing position |
caL | 13,500 N/µm | Axial rigidity of rolling element set |
crL | 5,300 N/µm | Radial rigidity of rolling element set |
ckL | 88,500 Nm/mrad | Tilting rigidity of rolling element set |
Downloads:
Characteristics