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22312EMKW33C4 - SNR

22312EMKW33C4

Spherical roller bearing, one-piece machined cage, groove and lubrication holes on outer ring, tapered bore 1:12

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The spherical roller bearing withstands significant loads and misalignments. This type of roller bearing is well adapted to harsh operating conditions: impacts or vibrations (crushers, vibrating screens, heavy handling, etc.). With the ULTAGE design, NTN-SNR offers as standard, unsurpassed endurance and longevity.

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Specs

PRODUCT DIMENSIONS

Internal diameter (d) 60 mm
External diameter (D) 130 mm
Bearing/Inner ring width (B) 46 mm
External diameter inner ring (d2) 0 mm
Inner diameter outer ring (D1) 111,9 mm
Min fillet radius (rs) 2,1 mm
Number of lubrication holes 3 or 4
Groove width (b) 9 mm
Hole diameter (k) 4 mm
Associated sleeve reference H2312
Coef (e) 0.35
Lower axial load coef (Y1) 1.95
Upper axial load coef (Y2) 2.9
Static axial load coef (Y0) 1.91
Radial clearance class C4
Mass 2,868 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 340 kN
Static load (C0) 319 kN
Fatigue limit load (Cu) 38,9 kN
Reference thermal speed (Nref) 4300 tr/min
Mechanical Limit Speed (Nlim) 5100 tr/min
Min operating temperature (Tmin) -40 °C
Max operating temperature (Tmax) 200 °C

ABUTMENT

Max shoulder diameter IR (da max) 0 mm
Min shoulder diameter IR (da min) 72 mm
Min diameter for Sleeve (db) 66 mm
Min length fro Sleeve (Ce) 6 mm
Max shoulder diameter OR (Da max) 118 mm
Max shaft & housing fillet radius (ra max) 2 mm
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