Linear Ball Bearings Square Flange Mount
Ball Bearings – Square Flange Mount JPK
Mounting Holes (x4)
X Z Y
Dp
D
Df
dr
K
t
L
JPK Series
DIMENSIONAL INFORMATION
(Standard Steel Finish)
Part No. Standard Polymer Cage JPK8G JPK12G JPK16G JPK20G JPK25G JPK30G JPK40G JPK50G Part No. Standard Polymer Cage JPK8G JPK12G JPK16G JPK20G JPK25G JPK30G JPK40G JPK50G
Nominal Shaft Diameter
Major Dimensions & Tolerances
Weight
Size
dr
Tolerance
D
Tolerance
L
Tolerance
Ball Circuit
mm mm
mm
G
mm
mm
mm
mm
8
8
0/-0.009 0/-0.009 0/-0.009 0/-0.010 0/-0.010 0/-0.010 0/-0.012 0/-0.012
4 4 5 5 6 6 6 6
37 76
15 21 28 32 40 45 60 80
0/-0.013 0/-0.016 0/-0.016 0/-0.019 0/-0.019 0/-0.019 0/-0.022 0/-0.022
24 30 37 42 59 64 80
±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3
12 16 20 25 30 40 50
12 16 20 25 30 40 50
120 180 340 470
1060 2200
100
Nominal Shaft 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
8
8
0/-0.009 0/-0.009 0/-0.009 0/-0.010 0/-0.010 0/-0.010 0/-0.012 0/-0.012
32 42 48 54 62 74 96
25 32 37 42 50 58 75
5 6 6 8 8
24 32 38 43 51 60 78 98
3.5 6.5 3.1
12 12 12 15 15 15 20 20
12 12 12 15 15 15 20 20
274 510 774 882 980
392 784
12 16 20 25 30 40 50
12 16 20 25 30 40 50
4.5 4.5
8 8
4.1 4.1
1180 1370 1570 2740 4020 7940
5.5 9.3 5.1 5.5 9.3 5.1
10 13 13
6.6
11 14 14
6.1 8.1 8.1
1570 2160 3820
9 9
116 92
Only certified Simplicity 60 Plus Shafting provides maximum linear bearing performance. Inch Series–page 52 Metric Series–page 90
102 Round Shaft Technology • pbclinear.com
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