Cylindrical roller bearings NF311 NTN
NTN

Cylindrical roller bearings NF311

Bearing NTN NF311, Ø55×120×29 mm. Request a quote — worldwide shipping.

Code: NF311
Type Cylindrical roller bearings
Dimensions Ø 55 × 120 × 29 mm
d55Bore Ø (mm)
×
D120Outer Ø (mm)
×
B29Width (mm)
All bearings 55×120×29 mm Compare all brands with this size
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In stock

Technical specifications

BrandNTN
d - Internal diameter55 mm
D - External diameter120 mm
B - Bearing/Inner ring width29 mm
E - Upper roller diameter106,5 mm
F - Under roller diameter70,5 mm
d1 - IR flange outer diameter77,2 mm
rNs - Min fillet radius2 mm
rs - Min fillet radius2 mm
Radial clearance classCN
C - Dynamic load123000000 mN
C0 - Static load111000000 mN
Cu - Fatigue limit load13600000 mN
N lim - Oil lubrication limit speed45600 °/s
N lim - Grease lubrication limit speed31800 °/s
Tmin - Min operating temperature233,15 °K
Tmax - Max operating temperature393,15 °K
da min - Min shoulder diameter IR64 mm
dc min - Min inner ring GO diameter72 mm
Da max - Max shoulder diameter OR111 mm
Db min - Small face shoulder min diameter108,5 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm

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NTN NF311