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Two mating single row angular contact ball bearings in an ultra-precision, high load-carrying capacity, D-design are available in a variety of configurations. Designed for high load carrying capacity and higher speed operation, it is more capable of withstanding higher loads than the same SKF B- and E-designed high-speed bearings.
SKF 71940 CD/HCP4ADGA
| Universal mating bearings |
Yes, back-to-back (<>), face-to-face (><), or tandem (>>) configurations
|
| d |
200 mm
|
aperture |
|---|---|---|
| D |
280 mm
|
Outside diameter |
| B |
76 mm
|
width |
| d1 |
224.7 mm
|
Inner ring flange diameter (large end) |
| d2 |
224.7 mm
|
Inner ring flange diameter (small end face) |
| D1 |
255.3 mm
|
Outer ring flange diameter (large end) |
| r1,2 |
min.2.1 mm
|
Chamfer size |
| r3,4 |
min.1 mm
|
Chamfer size |
| da |
min.211 mm
|
Shaft shoulder diameter |
|---|---|---|
| db |
min.211 mm
|
Shaft shoulder diameter |
| Da |
max.269 mm
|
Housing shoulder diameter |
| Db |
max.275 mm
|
Housing shoulder diameter |
| ra |
max.2 mm
|
Fillet radius |
| rb |
max.1 mm
|
Fillet radius |
| dn |
231.4 mm
|
Injector location |
| Basic dynamic load rating | C |
338 000 N
|
|---|---|---|
| Basic static load rating | C0 |
530 000 N
|
| Fatigue load limits | Pyou |
10 600 N
|
| Allowable speed |
Contact SKF to find out about achievable speeds
|
|
| Contact angle | α |
15 °
|
| Ball diameter | Din |
25.4 mm
|
| Number of Columns | i |
2
|
| Number of balls (per bearing) | with |
26
|
| Reference grease volume (per bearing) | Gref |
81 cm³
|
| Preload class |
A
|
|
| Preloading | G |
800 N
|
| Axial stiffness |
224 N/µm
|
| The correction factor depends on the bearing series and size | f |
1.23
|
|---|---|---|
| The correction factor depends on the angle of contact | f1 |
1
|
| preload grade A correction factor, | f2A |
1
|
| Correction factor for hybrid bearings | fHC |
1.04
|
| Equivalent load calculation factor | f0 |
16.3
|
|---|---|---|
| Equivalent load add-on factor |
Please see notes 1 and 2 below
|
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
