NTN RNA4912R needle roller bearings

NTN RNA4912R needle roller bearings Product Brochures , 30x17x7 Size (mm) 30 Bore Diameter (mm) Manufacturing Service . Get Your Free.
Size (mm) | 30x17x7 |
Bore Diameter (mm) | 30 |
Outer Diameter (mm) | 17 |
Width (mm) | 7 |
d | 17 mm |
D | 30 mm |
B | 7 mm |
d1 | 20.9 mm |
d2 | 20.9 mm |
D2 | 27.8 mm |
r1,2 – min. | 0.3 mm |
r3,4 – min. | 0.2 mm |
a | 9 mm |
da – min. | 19 mm |
da – max. | 20.5 mm |
db – min. | 19 mm |
db – max. | 20.5 mm |
Da – max. | 28 mm |
Db – max. | 28.6 mm |
ra – max. | 0.3 mm |
rb – max. | 0.2 mm |
Basic dynamic load rating – C | 4 kN |
Basic static load rating – C0 | 2 kN |
Fatigue load limit – Pu | 0.085 kN |
Limiting speed for grease lubrication | 45000 r/min |
Ball – Dw | 3.969 mm |
Ball – z | 14 |
Calculation factor – e | 0.68 |
Calculation factor – Y2 | 1.41 |
Calculation factor – Y0 | 0.76 |
Calculation factor – X2 | 0.67 |
Calculation factor – Y1 | 0.92 |
Preload class A – GA | 25 N |
Preload class B – GB | 50 N |
Preload class C – GC | 100 N |
Preload class D – GD | 200 N |
Calculation factor – f | 1.05 |
Calculation factor – f1 | 0.98 |
Calculation factor – f2A | 1 |
Calculation factor – f2B | 1.04 |
Calculation factor – f2C | 1.08 |
Calculation factor – f2D | 1.14 |
Calculation factor – fHC | 1 |
Preload class A | 42 N/micron |
Preload class B | 54 N/micron |
Preload class C | 70 N/micron |
Preload class D | 93 N/micron |
r1,2 min. | 0.3 mm |
r3,4 min. | 0.2 mm |
da min. | 19 mm |
da max. | 20.5 mm |
db min. | 19 mm |
db max. | 20.5 mm |
Da max. | 28 mm |
Db max. | 28.6 mm |
ra max. | 0.3 mm |
rb max. | 0.2 mm |
Basic dynamic load rating C | 3.97 kN |
Basic static load rating C0 | 2 kN |
Fatigue load limit Pu | 0.085 kN |
Attainable speed for grease lubrication | 45000 r/min |
Ball diameter Dw | 3.969 mm |
Number of balls z | 14 |
Preload class A GA | 25 N |
Static axial stiffness, preload class A | 42 N/µm |
Preload class B GB | 50 N |
Static axial stiffness, preload class B | 54 N/µm |
Preload class C GC | 100 N |
Static axial stiffness, preload class C | 70 N/µm |
Preload class D GD | 200 N |
Static axial stiffness, preload class D | 93 N/µm |
Calculation factor f | 1.05 |
Calculation factor f1 | 0.98 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.04 |
Calculation factor f2C | 1.08 |
Calculation factor f2D | 1.14 |
Calculation factor fHC | 1 |
Calculation factor e | 0.68 |
Calculation factor (single, tandem) Y2 | 0.87 |
Calculation factor (single, tandem) Y0 | 0.38 |
Calculation factor (single, tandem) X2 | 0.41 |
Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
Calculation factor (back-to-back, face-to-face) Y0 | 0.76 |
Calculation factor (back-to-back, face-to-face) X2 | 0.67 |
Mass bearing | 0.017 kg |
Detailed Parameters
parameter:
Similar products
ISB NN 3092 K/SPW33 cylindrical roller bearings
ISB NN 3092 K/SPW33 cylindrical roller bearings Deal is your source for OEM 150 mm D and accessories. We sell 85 mm d Genuine at discount prices. d 85 mm static load capacity: 275000 N D 150 mm precision rating: Not Rated B 36 mm maximum rpm: 5600 RPM flanges: (2) Outer Ring cage material:
Toyana TUP1 150.60 plain bearings
We work closely with our Toyana TUP1 150.60 plain bearings manufacturing partners to bring 0.0 Inventory the BEARINGS LIMITED Manufacturer Name best value to customers. Inventory 0.0 Manufacturer Name BEARINGS LIMITED Minimum Buy Quantity N/A Weight 1.6 EAN 0888569037152 Product Group M06110
FAG BSB025062-T thrust ball bearings
We work closely with our FAG BSB025062-T thrust ball bearings manufacturing 90x160x30 Size (mm) partners 160 Outer Diameter (mm) to bring 90 Bore Diameter (mm) the best value to customers. Size (mm) 90x160x30 Bore Diameter (mm) 90 Outer Diameter (mm) 160 Width (mm) 30 d 90 mm D 160 mm B 30 mm C 30
VE283314AB1 KOYO Ew 33 mm 28x33x13.8mm Needle roller bearings
Bearing number VE283314AB1 Size (mm) 28x33x13.8 Brand KOYO Bore Diameter (mm) 28 Outer Diameter (mm) 33 Width (mm) 13.8 Fw 28 mm Ew 33 mm B 13.8 mm Weight 0.017 Kg