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Bearing units

EXT309-28T20 - SNR

EXT309-28T20

Grey cast housing, radial insert ball bearing with eccentric locking collar, labyrinth seal, for high-temp. applications

Self aligning bearing units with different fixing options and housings made of cast, stainless steel or plastic.

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
A - Housing width55 mm
A1 - Width of location slot18 mm
A238 mm
B1 - Overall width Inner Ring58,7 mm
d - Shaft diameter44,45 mm
d1 - Outer dia of eccent. Lock. collar / nut of adapter sleeve70 mm
G - Grease fittingM6x1
H - Housing length, width or diameter138 mm
H1 - Distance between location slots125 mm
H2 - Housing height / width90 mm
L - Housing length178 mm
L1 - Distance attachment end face to bearing centerline110 mm
L2 - Thickness of attachment end20 mm
L3 - Length of guidance slot/face97 mm
N - Mounting hole dimension34 mm
N1 - Length of attachment slot24 mm
N2 - Height of attachment slot55 mm
S - Distance front side/bearing centre19,8 mm
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PRODUCT PERFORMANCE
C - Dynamic load rating53 kN
C0 - Static load rating31,8 kN
Operating temperature min.-20 °C
Operating temperature max.200 °C
OTHER FEATURES
Mass4,17 kg
Recommended tightening torque for set screw16,8 N-m