NK 42/20 Needle Roller Bearing MODELS

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NK 42/20 Needle Roller Bearing

Various 3-1/4 in D 1.8750 in base to bore centerline: Needle Roller Bearings types and sizes to accommodate your NK 42/20 Needle Roller Bearing requirements. PRECISION BEARING CORP.
D:3-1/4 in
base to bore centerline::1.8750 in
lubrication type::Lubrication Fitting
overall length::4.3750 in
end type::2 Open Covers
seal type::Contact with Slinger
radial static load capacity::3460 lbf
overall height::3.7500 in

PRECISION BEARING CORP.

PRECISION BEARING CORP.China

PRECISION BEARING CORP.2020-07-10 09:46:19
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NK 42/20 Needle Roller Bearing Size Chart (mm/inches)
Bearing number	NJ 205 ECML
Size (mm)	52x25x15
Bore Diameter (mm)	52
Outer Diameter (mm)	25
Width (mm)	15
d	25 mm
D	52 mm
B	15 mm
d1	34.7 mm
D1	43.8 mm
F	31.5 mm
r1,2 - min.	1 mm
r3,4 - min.	1 mm
s	1.3 mm
da - min.	29.9 mm
da - max.	30.4 mm
db - min.	36 mm
Da - max.	46.4 mm
ra - max.	1 mm
Basic dynamic load rating - C	32.5 kN
Basic static load rating - C0	27 kN
Fatigue load limit - Pu	3.4 kN
Reference speed	15000 r/min
Limiting speed	26000 r/min
Calculation factor - kr	0.23
d1 ≈	34.7 mm
D1 ≈	43.8 mm
r1,2 min.	1 mm
r3,4 min.	0.6 mm
s max.	1.3 mm
da min.	29.9 mm
da max.	30.4 mm
db min.	36 mm
Da max.	46.4 mm
ra max.	1 mm
Basic dynamic load rating C	32.5 kN
Basic static load rating C0	27 kN
Fatigue load limit Pu	3.35 kN
Calculation factor kr	0.23
Limiting value e	0.2
Axial load factor Y	0.6
Mass bearing	0.15 kg

PRECISION BEARING CORP.: Address741 South County Rd 200 West, Frankfort IN 46041, U.S.A.; Phone(Working Time)656-5687; Fax

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