SIGMA NJ 312 cylindrical roller bearings

SIGMA NJ 312 cylindrical roller bearings Deal is 40x68x15 Size (mm) your source for OEM and accessories. We sell Genuine at discount prices.
Size (mm) | 40x68x15 |
Bore Diameter (mm) | 40 |
Outer Diameter (mm) | 68 |
Width (mm) | 15 |
d | 40 mm |
D | 68 mm |
B | 15 mm |
d1 | 49.7 mm |
d2 | 47.6 mm |
D1 | 58.25 mm |
K | 0.5 mm |
C1 | 5.03 mm |
r1,2 – min. | 1 mm |
r3,4 – min. | 0.6 mm |
a | 14.8 mm |
da – min. | 44.6 mm |
db – min. | 44.6 mm |
Da – max. | 63.4 mm |
Db – max. | 63.8 mm |
ra – max. | 1 mm |
rb – max. | 0.6 mm |
dn | 51.6 mm |
Basic dynamic load rating – C | 12.4 kN |
Basic static load rating – C0 | 7.6 kN |
Fatigue load limit – Pu | 0.32 kN |
Limiting speed for grease lubrication | 36000 r/min |
Limiting speed for oil lubrication | 56000 mm/min |
Ball – Dw | 7.144 mm |
Ball – z | 19 |
Gref | 2.8 cm3 |
Calculation factor – f0 | 8.1 |
Preload class A – GA | 65 N |
Preload class B – GB | 200 N |
Preload class C – GC | 390 N |
Calculation factor – f | 1 |
Calculation factor – f2A | 1 |
Calculation factor – f2B | 1.03 |
Calculation factor – f2C | 1.05 |
Calculation factor – fHC | 1.01 |
Preload class A | 38 N/micron |
Preload class B | 60 N/micron |
Preload class C | 81 N/micron |
r1,2 min. | 1 mm |
r3,4 min. | 0.6 mm |
da min. | 44.6 mm |
db min. | 44.6 mm |
Da max. | 63.4 mm |
Db max. | 63.8 mm |
ra max. | 1 mm |
rb max. | 0.6 mm |
Basic dynamic load rating C | 12.4 kN |
Basic static load rating C0 | 7.65 kN |
Fatigue load limit Pu | 0.32 kN |
Attainable speed for grease lubrication | 36000 r/min |
Attainable speed for oil-air lubrication | 56000 r/min |
Ball diameter Dw | 7.144 mm |
Number of balls z | 19 |
Reference grease quantity Gref | 2.8 cm³ |
Preload class A GA | 65 N |
Static axial stiffness, preload class A | 38 N/µm |
Preload class B GB | 200 N |
Static axial stiffness, preload class B | 60 N/µm |
Preload class C GC | 390 N |
Static axial stiffness, preload class C | 81 N/µm |
Calculation factor f | 1.06 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.03 |
Calculation factor f2C | 1.05 |
Calculation factor fHC | 1.01 |
Calculation factor f0 | 8.1 |
Mass bearing | 0.17 kg |
Detailed Parameters
parameter:
Similar products
KOYO 57180F4 tapered roller bearings
We work closely with 440x360x80 Size (mm) our KOYO 57180F4 tapered roller bearings manufacturing partners to bring the best value to customers. Size (mm) 440x360x80 Bore Diameter (mm) 440 Outer Diameter (mm) 360 Width (mm) 80 d 360 mm D 440 mm B 80 mm d1 391 mm E 419.8 mm b1 9.4 mm K
CYSD 6948-RS deep groove ball bearings
What is CYSD 6948-RS deep groove ball bearings in mechanical engineering? Manufacturing Service . Upload your CAD file for 0.0 Inventory an instant. Inventory 0.0 Manufacturer Name PEER BEARING CO. Minimum Buy Quantity N/A Weight 0 EAN 8865590640812 Product Group M06110
170RN02 Timken E 285 mm Cylindrical roller bearings
Bearing number 170RN02 Brand Timken Bore Diameter (mm) 170 Outer Diameter (mm) 285 d 170 mm F 195 mm D 310 mm E 285 mm B 52 mm C 52 mm r max 3 mm
132W Timken D 250 mm 160x250x40mm Deep groove ball bearings
Bearing number 132W Size (mm) 160x250x40 Brand Timken Bore Diameter (mm) 160 Outer Diameter (mm) 250 Width (mm) 40 d 160 mm D 250 mm B 40 mm C 40 mm Weight 7.394 Kg Basic dynamic load rating (C) 208 kN