New BOSCH REXROTH Linear Ball Bearing Unit Tandem Closed Design R1085 640 20
Min.Order Quantity |
1 pcs |
Price |
Negotiable |
PDF |
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Product Details
Bearing number |
71907 ACB/P4A |
Size (mm) |
55x35x10 |
Bore Diameter (mm) |
55 |
Outer Diameter (mm) |
35 |
Width (mm) |
10 |
d |
35 mm |
D |
55 mm |
B |
10 mm |
d1 |
42.46 mm |
d2 |
41.56 mm |
D2 |
49.5 mm |
r1,2 - min. |
0.6 mm |
r3,4 - min. |
0.3 mm |
a |
18.4 mm |
da - min. |
38.2 mm |
db - min. |
38.2 mm |
Da - max. |
51.8 mm |
Db - max. |
53 mm |
ra - max. |
0.6 mm |
rb - max. |
0.3 mm |
dn |
43 mm |
Basic dynamic load rating - C |
4.9 kN |
Basic static load rating - C0 |
3.4 kN |
Fatigue load limit - Pu |
0.146 kN |
Limiting speed for grease lubrication |
30000 r/min |
Limiting speed for oil lubrication |
48000 mm/min |
Ball - Dw |
3.969 mm |
Ball - z |
25 |
Gref |
0.96 cm3 |
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 |
29 N |
Preload class B - GB |
58 N |
Preload class C - GC |
175 N |
Calculation factor - f |
1.06 |
Calculation factor - f1 |
0.99 |
Calculation factor - f2A |
1 |
Calculation factor - f2B |
1.02 |
Calculation factor - f2C |
1.07 |
Calculation factor - fHC |
1 |
Preload class A |
59 N/micron |
Preload class B |
75 N/micron |
Preload class C |
114 N/micron |
r1,2 min. |
0.6 mm |
r3,4 min. |
0.3 mm |
da min. |
38.2 mm |
db min. |
38.2 mm |
Da max. |
51.8 mm |
Db max. |
53 mm |
ra max. |
0.6 mm |
rb max. |
0.3 mm |
Basic dynamic load rating C |
6.5 kN |
Basic static load rating C0 |
5.85 kN |
Fatigue load limit Pu |
0.146 kN |
Attainable speed for grease lubrication |
30000 r/min |
Attainable speed for oil-air lubrication |
48000 r/min |
Ball diameter Dw |
3.969 mm |
Number of balls z |
25 |
Reference grease quantity Gref |
0.96 cm³ |
Preload class A GA |
29 N |
Static axial stiffness, preload class A |
59 N/µm |
Preload class B GB |
58 N |
Static axial stiffness, preload class B |
75 N/µm |
Preload class C GC |
175 N |
Static axial stiffness, preload class C |
114 N/µm |
Calculation factor f |
1.06 |
Calculation factor f1 |
0.99 |
Calculation factor f2A |
1 |
Calculation factor f2B |
1.02 |
Calculation factor f2C |
1.07 |
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 |
0.078 kg |
Company Profile
Worktime |
З понеділка по п'ятницю: з 9:00 до 18:00 |
Phone |
00(65) 6258 1688 |