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NACHI UK307+H2307 deep groove ball bearings - Industrial Bearing

  NACHI UK307+H2307 deep groove ball bearings

NACHI UK307+H2307 deep groove ball bearings pdf

Welcome to the 37x20x9 Size (mm) NACHI UK307+H2307 deep groove ball bearings 37 Bore Diameter (mm) online seller.

Size (mm) 37x20x9
Bore Diameter (mm) 37
Outer Diameter (mm) 20
Width (mm) 9
d 20 mm
D 37 mm
B 9 mm
d1 25.65 mm
d2 24.4 mm
D1 31.49 mm
r1,2 – min. 0.3 mm
r3,4 – min. 0.15 mm
a 8.5 mm
da – min. 22 mm
db – min. 22 mm
Da – max. 35 mm
Db – max. 36.2 mm
ra – max. 0.3 mm
rb – max. 0.15 mm
dn 26.7 mm
Basic dynamic load rating – C 4.9 kN
Basic static load rating – C0 2.4 kN
Fatigue load limit – Pu 0.102 kN
Limiting speed for grease lubrication 68000 r/min
Limiting speed for oil lubrication 106000 mm/min
Ball – Dw 4.762 mm
Ball – z 14
Gref 0.5 cm3
Calculation factor – f0 7.8
Preload class A – GA 26 N
Preload class B – GB 79 N
Preload class C – GC 157 N
Calculation factor – f 1
Calculation factor – f2A 1
Calculation factor – f2B 1.05
Calculation factor – f2C 1.09
Calculation factor – fHC 1.01
Preload class A 20 N/micron
Preload class B 31 N/micron
Preload class C 43 N/micron
r1,2 min. 0.3 mm
r3,4 min. 0.15 mm
da min. 22 mm
db min. 22 mm
Da max. 35 mm
Db max. 36.2 mm
ra max. 0.3 mm
rb max. 0.15 mm
Basic dynamic load rating C 4.88 kN
Basic static load rating C0 2.4 kN
Fatigue load limit Pu 0.102 kN
Attainable speed for grease lubrication 68000 r/min
Attainable speed for oil-air lubrication 106000 r/min
Ball diameter Dw 4.762 mm
Number of balls z 14
Reference grease quantity Gref 0.5 cm³
Preload class A GA 26 N
Static axial stiffness, preload class A 20 N/µm
Preload class B GB 79 N
Static axial stiffness, preload class B 31 N/µm
Preload class C GC 157 N
Static axial stiffness, preload class C 43 N/µm
Calculation factor f 1.04
Calculation factor f1 1
Calculation factor f2A 1
Calculation factor f2B 1.05
Calculation factor f2C 1.09
Calculation factor fHC 1.01
Calculation factor f0 7.8
Mass bearing 0.032 kg

  Detailed Parameters

  parameter:

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