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This mated single row angular contact ball bearing in two ultra-precision, high-speed, E-design is available in a variety of configurations. Compared to the same SKF B-design high-speed bearings, they have a slightly higher speed capacity and can withstand higher loads.
SKF 71918 ACE/HCP4ADT
| Universal mating bearings |
not
|
| d |
90 mm
|
aperture |
|---|---|---|
| D |
125 mm
|
Outside diameter |
| B |
36 mm
|
width |
| d1 |
101 mm
|
Inner ring flange diameter (large end) |
| d2 |
97.9 mm
|
Inner ring flange diameter (small end face) |
| D1 |
114.22 mm
|
Outer ring flange diameter (large end) |
| r1,2 |
min.1.1 mm
|
Chamfer size |
| r3,4 |
min.0.6 mm
|
Chamfer size |
| da |
min.96 mm
|
Shaft shoulder diameter |
|---|---|---|
| db |
min.93.2 mm
|
Shaft shoulder diameter |
| Da |
max.119 mm
|
Housing shoulder diameter |
| Db |
max.121.8 mm
|
Housing shoulder diameter |
| ra |
max.1 mm
|
Fillet radius |
| rb |
max.0.6 mm
|
Fillet radius |
| dn |
103.5 mm
|
Injector location |
| Basic dynamic load rating | C |
46 800 N
|
|---|---|---|
| Basic static load rating | C0 |
45 500 N
|
| Fatigue load limits | Pu |
1 370 N
|
| Allowable speed |
Contact SKF to find out about achievable speeds
|
|
| Contact angle | α |
25 °
|
| Ball diameter | Dw |
11.112 mm
|
| Number of columns | i |
2
|
| Number of balls (per bearing) | z |
24
|
| Reference grease volume (per bearing) | Gref |
7 cm³
|
| The correction factor depends on the bearing series and size | f |
1.19
|
|---|---|---|
| The correction factor depends on the angle of contact | f1 |
0.98
|
| Correction factor for hybrid bearings | fHC |
1.01
|
| Calculate the coefficients | e |
0.68
|
|---|---|---|
| Axial load factor (single row or tandem configuration) | Y1 |
0
|
| Axial load factor (single row or tandem configuration) | Y2 |
0.87
|
| Axial load factor (single row or tandem configuration) | Y0 |
0.38
|
| Axial load factor (single row or tandem configuration) | X1 |
1
|
| Axial load factor (single row or tandem configuration) | X2 |
0.41
|
| Axial load factor (single row or tandem configuration) | X0 |
0.5
|
As a professional bearing exporter and SKF distributor, WS Bearing stocks thousands kindsof Angular contact ball bearings,super-precision for sale，We can export to Singapore–Viet Nam–Malaysia–Indonesia-Germany-USA etc.we have always been committed to providing our customers with the highest quality products and the most satisfactory services. Through collaborations with top brands such as SKF, TIMKEN, FAG, THK, and others, we have not only established a wide range of product lines but also accumulated rich industry experience and technical knowledge. If you have problems about selecting proper bearings for your special applications, please contact us right now
