Page 1047 - Rollingbearings

Designs and variants
Assortment
Designs and  WARNING
The standard assortment of SKF hybrid Seals made of FKM (luoro rubber)
bearings (ig. 1) comprises popular sizes for variants exposed to an open lame or tempera-
electric motors and generators It includes: tures above 300 °C (570 °F) are a health

• single row deep groove ball bearings Hybrid deep groove and environmental hazard! They remain
dangerous even after they have cooled
– basic design ball bearings Read and follow the safety precau-
– sealed design tions on page 197
– XL hybrid design
• single row cylindrical roller bearings Deep groove ball bearings are the most
widely used bearing type, especially in elec-
Hybrid bearings provided in this catalogue tric motors SKF hybrid deep groove ball
constitute the basic SKF assortment and are bearings (ig. 2):
only part of the total assortment Other
hybrid bearings include: • are non-separable
• are suitable for high speeds Sealed bearings
• hybrid super-precision bearings • accommodate radial loads and axial loads
(skf com/super-precision) in both directions because their uninter- • use the same seals as described under
– hybrid super-precision angular contact rupted raceway grooves have a close Capped bearings, page 242
ball bearings osculation with the balls • are lubricated for the life of the bearing
– hybrid super-precision cylindrical roller • are manufactured to SKF Explorer bearing and should not be washed or relubricated
bearings quality (page 7) • are virtually maintenance-free
– hybrid super-precision angular contact • are available with a bore diameter ranging
thrust ball bearings, single and double from 5 to 180 mm When capped bearings must operate under
direction • with a bore diameter d ≤ 45 mm, are most certain conditions, such as very high speeds
• hybrid angular contact ball bearings suitable for electric motors in the power or high temperatures, grease may appear
• hybrid stainless steel deep groove ball range 0,15 to 15 kW as well as for power between the inner ring and capping device
bearings tools and high-speed drives For bearing arrangements where this would
• bearing units incorporating hybrid SKF hybrid deep groove ball bearings in be detrimental, appropriate actions should
bearings this size range are the most cost-effective be taken
solution against electrical erosion
For availability and detailed information,
contact SKF
Basic design bearings

• are available with a bore diameter 21
d ≥ 10 mm

Fig. 1
Hybrid bearings

Fig. 2
Hybrid deep groove ball bearing

Single row deep groove ball bearing Single row cylindrical roller bearing

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