NJ238-E-M1 FAG Cylindrical Roller Bearing 190x340x55mm

Design E Increased Capacity Design
Cage M1 Two Piece Brass Cage Roller Guided
Radial internal clearance CN Group N (CN)
Tolerance class PN Normal (PN)
Number of rolling element rows 1 Single-row design

Main Dimensions & Performance Data
d 190 mm Bore diameter
D 340 mm Outside diameter
B 55 mm Width
C r 680,000 N Basic dynamic load rating, radial
C 0r 930,000 N Basic static load rating, radial
C ur 113,000 N Fatigue load limit, radial
n G 3,050 1/min Limiting speed
n ?r 1,720 1/min Reference speed
22.4 kg

Mounting dimensions
d a min 207 mm Minimum diameter shaft shoulder
d a max 227 mm Maximum diameter of shaft shoulder
D a max 323 mm Maximum diameter of housing shoulder
d c min 247 mm Minimum shaft shoulder
r a max 3 mm Maximum recess radius

Dimensions
r min 4 mm Minimum chamfer dimension
r 1 min 4 mm Minimum chamfer dimension
s 4.7 mm Axial displacement
E 306 mm Raceway diameter outer ring
F 230 mm Raceway diameter inner ring
D 1 min 295 mm Minimum rib diameter outer ring
d 1 244 mm Maximum rib diameter inner ring

Temperature range
T min -30 Degree celsius operating temperature min.
T max 150 Degree celsius operating temperature max.