Page 776 - Rollingbearings

Spherical roller bearings

9 Spherical roller bearings

Mor Spherical roller bearings have two rows of • Long service life
More informatione information
symmetrical rollers, a common sphered The rollers are manufactured to such tight
outer ring raceway and two inner ring race- dimensional and geometrical tolerances
17
Bearing life and load ratings al bearing knowledge
Gener 63 ways inclined at an angle to the bearing axis that they are practically identical in a roller
(ig. 1) The centre point of the sphere in the set The symmetrical rollers self-adjust
59
B 59 outer ring raceway is at the bearing axis (ig. 3), providing optimal load distribution
Design considerations earing selection process
Bearing systems ubrication
L 160 along the roller length and together with
109
13
Recommended its earing interfaces
B 1699 Bearing features the special proile prevent stress peaks at
Abutment and illet dimensions at tolerances for standard
Se 208 the roller ends (ig. 4)
conditions 148
182
Selecting internal clearance
Lubrication 239 • Accommodate misalignment • Low friction
Sealing, mounting and Spherical roller bearings are self-aligning Self-guiding rollers keep friction and fric-
dismounting
Mounting, dismounting and 193 like self-aligning ball bearings or CARB tional heat at low levels (ig. 5) A loating
bearing care 271 bearings (ig. 2) guide ring guides unloaded rollers so that
Mounting instructions for they enter the load zone in the optimal
Mounting instructions for
individual bearings
individual bearings † skf com/mount • High load carrying capacity position
† skf com/mount
SKF bearing maintenance Spherical roller bearings are designed to
handbook (ISBN 978-91-978966-4-1)
SKF Drive-up accommodate both heavy radial loads and • Robust
Method † skf com/drive-up axial loads in both directions All SKF spherical roller bearings contain
strong window- or prong-type cages
SKF bearing maintenance
handbook ISBN 978-91-978966-4-1
9

Fig. 1 Fig. 2
Spherical roller bearing Self-aligning property of the bearing

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