Description
Hole pattern, measuring head suitable for radial screw mounting
Two retaining screws
For YRTCMA325
Screw counterbores open (in the L-section ring to the bearing bore), bearing inside diameter is unsupported in this area
Measuring head suitable for radial screw mounting
Shaft locating washer
Inner ring
Metric
Imperial
Main Dimensions & Performance Data
d | 325 mm | Bore diameter |
0 mm | Bore diameter upper tolerance | |
-0.023 mm | Bore diameter lower tolerance | |
D | 450 mm | Outside diameter |
0 mm | Outside diameter upper tolerance | |
-0.023 mm | Outside diameter lower tolerance | |
H | 61 mm | Height |
Cr | 183,000 N | Basic dynamic load rating, radial |
C0r | 530,000 N | Basic static load rating, radial |
Ca | 247,000 N | Basic dynamic load rating, axial |
C0a | 1,900,000 N | Basic static load rating, axial |
nG | 200 1/min | Limiting speed |
MR | 13 Nm | Bearing friction torque at 5 1/min |
≈m | 25.2 kg | Weight |
Mounting dimensions
J | 342 mm | Pitch circle diameter fixing holes in inner ring |
J1 | 430 mm | Pitch circle diameter fixing holes in outer ring |
d1 | 9.3 mm | Fixing holes diameter inner ring |
d2 | 15 mm | Counterbore diameter of fixing holes |
a | 8.2 mm | Counterbore depth of fixing holes |
34 | Quantity of fixing holes inner ring | |
d3 | 9.3 mm | Fixing holes diameter outer ring |
33 | Quantity of fixing holes outer ring | |
n | 36 | Pitch quantity |
t | 10 ° | Pitch separation angle |
G | M12 | Threaded extraction hole |
3 | Quantity of threaded extraction hole | |
MA | 34 Nm | Screw tightening torque |
2 | Quantity of retaining screws | |
t1 | 6 µm | Axial and radial runout, measurement standard; Measured on mounted bearing, with ideal adjacent construction. |
Dimensions
H1 | 40 mm | Height contact face outer ring |
0.05 mm | Height contact face outerring H1 upper tolerance | |
-0.05 mm | Height contact face outerring H1 lower tolerance | |
H2 | 21 mm | Height contact face outer ring |
0.03 mm | Height contact face outerring H2 upper tolerance | |
-0.03 mm | Height contact face outerring H2 lower tolerance | |
D1 max | 415.1 mm | Maximum bord diameter inner ring |
DM | 415 mm | Diameter of dimensional scale on shaft locating washer |
C | 20 mm | Width of outer ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Additional information
caL | 7,100 N/µm | Axial rigidity of bearing position |
crL | 6,300 N/µm | Radial rigidity of bearing position |
ckL | 159,000 Nm/mrad | Tilting rigidity of bearing position |
caL | 33,000 N/µm | Axial rigidity of rolling element set |
crL | 9,900 N/µm | Radial rigidity of rolling element set |
ckL | 633,000 Nm/mrad | Tilting rigidity of rolling element set |
Downloads:
Characteristics