Linear Ball Bearings Double Wide
Double Wide Ball Bearings – Round Flange Mount EPF-W
Mounting Holes (x4)
Z
X
Dp
Y
dr
Df
D
t
L
DIMENSIONAL INFORMATION
(Standard Steel Finish)
Part No. Standard Polymer Cage
Nominal Diameter
Major Dimensions & Tolerances
Weight
Size
dr
Tolerance
D Tolerance
L
Tolerance
Ball Circuit
mm mm
mm
G
mm
mm
mm
mm
EPF8GW 8 EPF12GW 12 EPF16GW 16 EPF20GW 20 EPF25GW 25 EPF30GW 30 EPF40GW 40 EPF50GW 50
8
+0.009/-0.001 +0.009/-0.001 +0.011/-0.001 +0.011/-0.001 +0.013/-0.002 +0.013/-0.002 +0.016/-0.004 +0.016/-0.004
4 4 5 5 6 6 6 6
59
16 22 26 32 40 47 62 75
0/-0.013 0/-0.016 0/-0.016 0/-0.019 0/-0.019 0/-0.019 0/-0.022 0/-0.022
46 61 68 80
±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3
12 16 20 25 30 40 50
110 160 260 540 815
112 123 154 192
1805 2820
Part No. Standard Polymer Cage
Nominal Diameter
Major Dimensions & Tolerances – Flange
Load Ratings
Dynamic C
Static Co
Size
dr
Tolerance
Df
T
Dp
X
Y
Z Eccentricity Squareness
mm mm
mm
mm mm mm mm mm mm
μ m
μ m
N
N
EPF8GW 8 EPF12GW 12 EPF16GW 16 EPF20GW 20 EPF25GW 25 EPF30GW 30 EPF40GW 40 EPF50GW 50
8
+0.009/-0.001 32
5 6 6 8 8
24 32 36 43 51 62 80 94
3.5 4.5 4.5 5.5 5.5 6.6
6.5
3.1 4.1 4.1 5.1 5.1 6.1 8.1 8.1
15 15 15 17 17 17 20 20
15 15 15 17 17 17 20 20
421 813 921
804
12 +0.009/-0.001 42 16 +0.011/-0.001 46 20 +0.011/-0.001 54 25 +0.013/-0.002 62 30 +0.013/-0.002 76 40 +0.016/-0.004 98 50 +0.016/-0.004 112
8 8
1570 1780 2740 3140 5490 8040
9.3 9.3
1370 1570 2500 3430 6080
10 13 13
11 14 14
9 9
15900
Only certified Simplicity 60 Plus Shafting provides maximum linear bearing performance. Inch Series–page 52 Metric Series–page 90
pbclinear.com • Engineering Your Linear Motion Solutions 85
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