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ER

It provides a highly accurate linear guide system with lower design cost and fewer assembly manhours than the conventional miniature ball bearings used in precision machines and other equipment.
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*Please contact THK if you need more than available quantity or out of stock items
Attributes Part Number Unit Price Quantity Days to Ship Item Total
Width (mm): 13
Height (mm): 4.5
Rail Length (mm): 40
ER513+40L
Days to Ship: 2 - 3 weeks*
Width (mm): 13
Height (mm): 4.5
Rail Length (mm): 60
ER513+60L
Days to Ship: 2 - 3 weeks*
Width (mm): 13
Height (mm): 4.5
Rail Length (mm): 80
ER513+80L
Days to Ship: 2 - 3 weeks*
Width (mm): 15.6
Height (mm): 6
Rail Length (mm): 45
ER616+45L
Days to Ship: 2 - 3 weeks*
Width (mm): 15.6
Height (mm): 6
Rail Length (mm): 70
ER616+70L
Days to Ship: 2 - 3 weeks*
Width (mm): 15.6
Height (mm): 6
Rail Length (mm): 95
ER616+95L
Days to Ship: 2 - 3 weeks*
Width (mm): 20
Height (mm): 8.5
Rail Length (mm): 50
ER920+50L
Days to Ship: 2 - 3 weeks*
Width (mm): 20
Height (mm): 8.5
Rail Length (mm): 80
ER920+80L
Days to Ship: 2 - 3 weeks*
Width (mm): 20
Height (mm): 8.5
Rail Length (mm): 110
ER920+110L
Days to Ship: 2 - 3 weeks*
Width (mm): 25
Height (mm): 10
Rail Length (mm): 60
ER1025+60L
Days to Ship: 2 - 3 weeks*
Width (mm): 25
Height (mm): 10
Rail Length (mm): 100
ER1025+100L
Days to Ship: 2 - 3 weeks*
Width (mm): 25
Height (mm): 10
Rail Length (mm): 140
ER1025+140L
Days to Ship: 2 - 3 weeks*
units: mm
Model No. Dimensions Basic load rating
Overall Inner block Outer rail Dynamic
C
Static
C0
Width
W
Height
M ±0.05
C S x l max tap depth ØD F G
N N
ER 513134.57M2 x 1.32.4201054.972.5
ER 61615.6629M3 x 1.82.9251071.6125
ER 920208.540M3 x 2.53.53010144201
ER 1025251048M4 x 2.84.54010215315
Set the screw length so that it does not exceed the Max tap depth. For more detailed specifications, please download the Product Catalog with the link in the Downloads section of this product page.
Model Size Rail Length
ER 513 + 40 L
ER 513 40
60
80
  616 45
70
95
920 50
80
110
1025 60
100
140

Use the screws listed below to fix the outer rail

Model No. Type Nominal screw × pitch
ER 513 JCIS 10-70 No. 0 pan-head class 1 M2 × 0.4
ER 616 M2.6 × 0.45
ER 920 JIS B 1111 Cross-recessed pan head M3 × 0.5
ER 1025 M4 × 0.7


The above selections are Online Store standards. If you need a selection that differs from the standard, please contact us at tossales@thk.com