Angular contact thrust ball bearings for screw drives, single direction, super-precision - BSA 203 C

BSA 203 C Dimensions
d 17mm
D 40mm
H 12mm
d1 24.17mm
d2 29mm
D1 29.1mm
D2 34.38mm
r1,2min.0.6mm
a 33mm
Abutment dimensions
damin.23mm
dbmin.23mm
Damax.37mm
Dbmax.37mm
ramax.0.6mm
Calculation data
Basic dynamic load ratingC 16.6kN
Basic static load ratingC0 34.5kN
Fatigue load limitPu 1.3kN
Attainable speed for grease lubrication  11000r/min
Attainable speed for oil-air lubrication  15000r/min
Preload class A  1040N
Preload class B  2080N
Frictional moment, preload class A  0.04N·m
Frictional moment, preload class B  0.072N·m
Static axial stiffnes, preload A  550N/µm
Static axial stiffnes, preload B  700N/µm
Maximum axial load carrying capacityFamax.10.3kN
Reference grease quantityGref 0.5cm³
Mass
Mass bearing  0.078kg

Thrust ball bearings, double direction - 52412 M

52412 M Dimensions
d 50mm
D 130mm
H 93mm
D162mm
B 21mm
r1,2min.1.5mm
r3,4min.0.6mm
Abutment dimensions
da 60mm
Damax.88mm
ramax.1.5mm
rbmax.0.6mm
Calculation data
Basic dynamic load ratingC 199kN
Basic static load ratingC0 430kN
Fatigue load limitPu 16kN
Reference speed  1200r/min
Limiting speed  1700r/min
Minimum load factorA 0.96 
Mass
Mass bearing (including seat washer when applicable)  6.35kg

Thrust ball bearings, single direction - 51268 F

51268 F Dimensions
d 340mm
D 460mm
H 96mm
d1455mm
D1345mm
r1,2min.3mm
Abutment dimensions
damin.411mm
Damax.389mm
ramax.2.5mm
Calculation data
Basic dynamic load ratingC 605kN
Basic static load ratingC0 3200kN
Fatigue load limitPu 58.5kN
Reference speed  530r/min
Limiting speed  750r/min
Minimum load factorA 53 
Mass
Mass bearing (including seat washer when applicable)  48.5kg

Thrust ball bearings, single direction - 51256 M

51256 M Dimensions
d 280mm
D 380mm
H 80mm
d1375mm
D1284mm
r1,2min.2.1mm
Abutment dimensions
damin.339mm
Damax.321mm
ramax.2mm
Calculation data
Basic dynamic load ratingC 488kN
Basic static load ratingC0 2320kN
Fatigue load limitPu 47.5kN
Reference speed  750r/min
Limiting speed  1000r/min
Minimum load factorA 28 
Mass
Mass bearing (including seat washer when applicable)  26.5kg

Thrust ball bearings, single direction - 51148 M

51148 M Dimensions
d 240mm
D 300mm
H 45mm
d1297mm
D1243mm
r1,2min.1.5mm
Abutment dimensions
damin.276mm
Damax.264mm
ramax.1.5mm
Calculation data
Basic dynamic load ratingC 234kN
Basic static load ratingC0 1040kN
Fatigue load limitPu 23.6kN
Reference speed  1100r/min
Limiting speed  1600r/min
Minimum load factorA 5.6 
Mass
Mass bearing (including seat washer when applicable)  7.55kg

Thrust ball bearings, single direction - 51415 M

51415 M Dimensions
d 75mm
D 160mm
H 65mm
d1160mm
D178mm
r1,2min.2mm
Abutment dimensions
damin.126mm
Damax.109mm
ramax.2mm
Calculation data
Basic dynamic load ratingC 251kN
Basic static load ratingC0 610kN
Fatigue load limitPu 20.8kN
Reference speed  1300r/min
Limiting speed  1800r/min
Minimum load factorA 1.9 
Mass
Mass bearing (including seat washer when applicable)  6.75kg

Thrust ball bearings, single direction - 51234 M

51234 M Dimensions
d 170mm
D 240mm
H 55mm
d1237mm
D1173mm
r1,2min.1.5mm
Abutment dimensions
damin.212mm
Damax.198mm
ramax.1.5mm
Calculation data
Basic dynamic load ratingC 270kN
Basic static load ratingC0 930kN
Fatigue load limitPu 24kN
Reference speed  1200r/min
Limiting speed  1700r/min
Minimum load factorA 5.4 
Mass
Mass bearing (including seat washer when applicable)  8.15kg

Thrust ball bearings, single direction - 51184 F

51184 F Dimensions
d 420mm
D 500mm
H 65mm
d1496mm
D1424mm
r1,2min.2mm
Abutment dimensions
damin.468mm
Damax.452mm
ramax.2mm
Calculation data
Basic dynamic load ratingC 410kN
Basic static load ratingC0 2400kN
Fatigue load limitPu 41.5kN
Reference speed  700r/min
Limiting speed  1000r/min
Minimum load factorA 30 
Mass
Mass bearing (including seat washer when applicable)  25.5kg

Thrust ball bearings, single direction - 51156 M

51156 M Dimensions
d 280mm
D 350mm
H 53mm
d1347mm
D1283mm
r1,2min.1.5mm
Abutment dimensions
damin.322mm
Damax.308mm
ramax.1.5mm
Calculation data
Basic dynamic load ratingC 319kN
Basic static load ratingC0 1460kN
Fatigue load limitPu 30.5kN
Reference speed  950r/min
Limiting speed  1300r/min
Minimum load factorA 11 
Mass
Mass bearing (including seat washer when applicable)  12kg

Thrust ball bearings, single direction - 51336 M

51336 M Dimensions
d 180mm
D 300mm
H 95mm
d1295mm
D1184mm
r1,2min.3mm
Abutment dimensions
damin.251mm
Damax.229mm
ramax.2.5mm
Calculation data
Basic dynamic load ratingC 520kN
Basic static load ratingC0 2000kN
Fatigue load limitPu 47.5kN
Reference speed  750r/min
Limiting speed  1100r/min
Minimum load factorA 21 
Mass
Mass bearing (including seat washer when applicable)  28.5kg

Please send Email to us Email:tyler@mobearing.com
Please send Email to us Email:tyler@mobearing.com
Please send Email to us Email:tyler@mobearing.com