Page 504 - Rollingbearings

6 Cylindrical roller bearings
SKF Explorer Matched bearings Cages
bearings • are combined so that any difference in SKF single row and high-capacity cylindrical

cross-sectional height of the bearings roller bearings are itted with one of the
Single row and high-capacity bearings are used in a matched set lies within a very cages shown in table 2
also available as SKF Explorer bearings small tolerance range When used at high temperatures, some
(page 7) This tighter tolerance is a precondition lubricants can have a detrimental effect on
for equal load sharing between the polyamide cages For additional information
bearings about the suitability of cages, refer to Cages,
• can be supplied as: page 187
– sets of two bearings (designation sufix
DR)
– sets of three bearings (designation sufix
TR)
– sets of four bearings (designation sufix
QR)

6

Cages for cylindrical roller bearings

Single row bearings

Cage type Window-type Window-type, roller Window-type, inner Riveted Window-type, inner Riveted
• roller centred centred or outer ring cen- • roller centred or outer ring cen- • roller centred
• outer ring tred (depending on • outer ring tred (depending on • outer ring
centred bearing design) centred bearing design) centred
• inner ring centred • inner ring centred

Material • PA66, glass ibre Stamped steel Machined brass Machined brass Machined light alloy Machined light alloy
reinforced
• PEEK, glass ibre
reinforced

Sufix • P or PH • – • ML • M • LL • L
• PA or PHA • J • MA • LA
• MB • LB

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