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NSK MR1310EB Roller Bearings Code system

Bearing number:71912 CB/HCP4A
Size (mm):85x60x13
Bore Diameter (mm):85
Outer Diameter (mm):60
Width (mm):13
d:60 mm
D:85 mm
B:13 mm
d1:68.94 mm
d2:67.73 mm
D2:78.36 mm
r1,2 - min.:1 mm
r3,4 - min.:0.3 mm
a:19.5 mm
da - min.:64.6 mm
db - min.:64.6 mm
Da - max.:80.4 mm
Db - max.:83 mm
ra - max.:1 mm
rb - max.:0.3 mm
dn:69.8 mm
Basic dynamic load rating - C:10.4 kN
Basic static load rating - C0:8.8 kN
Fatigue load limit - Pu:0.375 kN
Limiting speed for grease lubrication:26000 r/min
Limiting speed for oil lubrication:40000 mm/min
Ball - Dw:5.556 mm
Ball - z:30
Gref:2.77 cm3
Calculation factor - f0:9.8
Preload class A - GA:34 N
Preload class B - GB:68 N
Preload class C - GC:205 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.03
Calculation factor - f2C:1.08
Calculation factor - fHC:1.01
Preload class A:40 N/micron
Preload class B:53 N/micron
Preload class C:85 N/micron
r1,2 min.:1 mm
r3,4 min.:0.3 mm
da min.:64.6 mm
db min.:64.6 mm
Da max.:80.4 mm
Db max.:83 mm
ra max.:1 mm
rb max.:0.3 mm
Basic dynamic load rating C:14 kN
Basic static load rating C0:14.6 kN
Fatigue load limit Pu:0.375 kN
Attainable speed for grease lubrication:26000 r/min
Attainable speed for oil-air lubrication:40000 r/min
Ball diameter Dw:5.556 mm
Number of balls z:30
Reference grease quantity Gref:2.77 cm³
Preload class A GA:34 N
Static axial stiffness, preload class A:40 N/µm
Preload class B GB:68 N
Static axial stiffness, preload class B:53 N/µm
Preload class C GC:205 N
Static axial stiffness, preload class C:85 N/µm
Calculation factor f:1.11
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.03
Calculation factor f2C:1.08
Calculation factor fHC:1.01
Calculation factor f0:9.8
Mass bearing:0.18 kg

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Bearing Distributors Inc: Emailiris@bearing-distributors.com; Address1589 Tampines Industrial Distributor Avenue 5 Singapore 528759; Phone(Working Time)0065-31591338; Fax0065-31591338

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