Linear Ball Bearings Double Wide
Double Wide Ball Bearings – Square Flange Mount EPK-W
Z
X
Mounting Holes (x4)
Dp
Y
dr
Df
D
K
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
EPK8GW 8 EPK12GW 12 EPK16GW 16 EPK20GW 20 EPK25GW 25 EPK30GW 30 EPK40GW 40 EPK50GW 50
8 +0.009/-0.001 12 +0.009/-0.001 16 +0.011/-0.001 20 +0.011/-0.001 25 +0.013/-0.002 30 +0.013/-0.002 40 +0.016/-0.004 50 +0.016/-0.004
4 4 5 5 6 6 6 6
51 90
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
45 61 70 80
±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3
135 225 500 720
112 123 154 192
1600 2620
Part No. Standard Polymer Cage
Nominal Diameter
Major Dimensions & Tolerances – Flange
Load Ratings
Dynamic C
Static Co
Size
dr
Tolerance
Df
K
T
Dp
X
Y
Z Eccentricity Squareness
mm mm
mm
mm mm mm mm mm mm mm
μ m
μ m
N
N
EPK8GW 8 EPK12GW 12 EPK16GW 16 EPK20GW 20 EPK25GW 25 EPK30GW 30 EPK40GW 40 EPK50GW 50
8
+0.009/-0.001 32
25 32 35 42 50 60 75
5 6 6 8 8
24 32 36 43 51 62 80 94
3.5 6.5 3.1
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
4.5 4.5
8 8
4.1 4.1
1570 1780 2740 3140 5490 8040
5.5 9.3 5.1 5.5 9.3 5.1
1370 1570 2500 3430 6080
10 13 13
6.6
11 14 14
6.1 8.1 8.1
9 9
50 +0.016/-0.004 112 88
15900
Only certified Simplicity 60 Plus Shafting provides maximum linear bearing performance. Inch Series–page 52 Metric Series–page 90
84 Round Shaft Technology • pbclinear.com
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