EXC209 Mounted Units & Inserts
Brand Name |
NTN EXC209 Mounted Units & Inserts |
Model Number |
NTN EXC209 Mounted Units & Inserts |
Min.Order Quantity |
1 pcs |
Price |
Negotiable |
Product Details
Bearing number | 71921 CD/HCP4A |
Size (mm) | 145x105x20 |
Bore Diameter (mm) | 145 |
Outer Diameter (mm) | 105 |
Width (mm) | 20 |
d | 105 mm |
D | 145 mm |
B | 20 mm |
d1 | 117.3 mm |
d2 | 117.3 mm |
D1 | 132.7 mm |
r1,2 - min. | 1.1 mm |
r3,4 - min. | 0.6 mm |
a | 26.8 mm |
da - min. | 111 mm |
db - min. | 111 mm |
Da - max. | 139 mm |
Db - max. | 141 mm |
ra - max. | 1 mm |
rb - max. | 0.6 mm |
dn | 120.6 mm |
Basic dynamic load rating - C | 61.8 kN |
Basic static load rating - C0 | 69.5 kN |
Fatigue load limit - Pu | 2.6 kN |
Limiting speed for grease lubrication | 10000 r/min |
Limiting speed for oil lubrication | 16000 mm/min |
Ball - Dw | 12.7 mm |
Ball - z | 27 |
Gref | 11.1 cm3 |
Calculation factor - f0 | 16.4 |
Preload class A - GA | 230 N |
Preload class B - GB | 460 N |
Preload class C - GC | 920 N |
Preload class D - GD | 1840 N |
Calculation factor - f | 1 |
Calculation factor - f2A | 1 |
Calculation factor - f2B | 1.07 |
Calculation factor - f2C | 1.12 |
Calculation factor - f2D | 1.18 |
Calculation factor - fHC | 1.04 |
Preload class A | 122 N/micron |
Preload class B | 168 N/micron |
Preload class C | 239 N/micron |
Preload class D | 350 N/micron |
r1,2 min. | 1.1 mm |
r3,4 min. | 0.6 mm |
da min. | 111 mm |
db min. | 111 mm |
Da max. | 139 mm |
Db max. | 141 mm |
ra max. | 1 mm |
rb max. | 0.6 mm |
Basic dynamic load rating C | 61.8 kN |
Basic static load rating C0 | 69.5 kN |
Fatigue load limit Pu | 2.6 kN |
Attainable speed for grease lubrication | 10000 r/min |
Attainable speed for oil-air lubrication | 16000 r/min |
Ball diameter Dw | 12.7 mm |
Number of balls z | 27 |
Reference grease quantity Gref | 11.1 cm³ |
Preload class A GA | 230 N |
Static axial stiffness, preload class A | 122 N/µm |
Preload class B GB | 460 N |
Static axial stiffness, preload class B | 168 N/µm |
Preload class C GC | 920 N |
Static axial stiffness, preload class C | 239 N/µm |
Preload class D GD | 1840 N |
Static axial stiffness, preload class D | 350 N/µm |
Calculation factor f | 1.25 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.07 |
Calculation factor f2C | 1.12 |
Calculation factor f2D | 1.18 |
Calculation factor fHC | 1.04 |
Calculation factor f0 | 16.4 |
Mass bearing | 0.7 kg |
Company Profile
Worktime |
Seg - Sex (9.00 - 18.00) Sáb (9: 00-12: 00) |
Phone |
(65) 8257 8518 |
Fax |
(65) 6258 7399 |