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 |