Description
Brand - FAG
Item Number - NNU4940-S-K-M-SP FAG
Category - Super Precision Cylindrical Roller Bearing Double Row
Inner Diameter (d) mm - 200
Outer Diameter (D) mm - 280
Width (B) mm - 80
Weight (m) kg - 14.7
Minimum Chamfer Dimension (r1 min) mm - 2.1
Raceway Diameter Inner Ring (F) mm - 225
Width of Lubricating Groove (ns) mm - 12.2
Diameter Lubrication Hole (ds) mm - 6.3
Axial Displacement (s) mm - 4.3
Diameter of Housing Shoulder Tolerance - H12
Diameter of Housing Shoulder (da) mm - 223
Diameter Shaft Shoulder Tolerance - h12
Diameter of Shaft Shoulder (Da) mm - 259
Maximum Recess Radius (ra1) mm - 2.1
Basic Dynamic Radial Load Rating (Cr) N - 490000
Basic Static Radial Load Rating (C0r) N - 1040000
Limiting Speed for Grease Lubrication (nG grease) 1/min - 2600
Limiting Speed for Oil Lubrication (nG oil) 1/min - 3200
Radial Spring Rigidity (cr) N/µm - 5510
Description of Suffixes:
S - Lubrication Groove and Lubrication Holes in Outer Ring (Series NN30)
K - Lubrication Groove and Lubrication Holes in Outer Ring
M - Brass Cage, Guided by Rollers
SP - Special Precision
** Images are for representation purposes only