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24180B - NTN

24180B

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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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Internal diameter (d) 400 mm
External diameter (D) 650 mm
Bearing/Inner ring width (B) 250 mm
External diameter inner ring (d2) 0 mm
Inner diameter outer ring (D1) 552 mm
Min fillet radius (rs) 6 mm
Number of lubrication holes 8
Groove width (b) 33 mm
Hole diameter (k) 20 mm
Coef (e) 0.38
Lower axial load coef (Y1) 1.77
Upper axial load coef (Y2) 2.63
Static axial load coef (Y0) 1.73
Radial clearance class CN
Mass 329 kg
Brand NTN
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PRODUCT PERFORMANCE

Dynamic load (C) 5650 kN
Static load (C0) 10300 kN
Fatigue limit load (Cu) 585 kN
Nlim (oil) 560 tr/min
Nlim (grease) 430 tr/min
Min operating temperature (Tmin) -40 °C
Max operating temperature (Tmax) 120 °C

ABUTMENT

Min shoulder diameter IR (da min) 428 mm
Max shoulder diameter OR (Da max) 622 mm
Max shaft & housing fillet radius (ra max) 5 mm
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