Crossed Roller Slide Table
(Aluminum) - Specifications


Stainless Steel Models Available
For applications where particulate contamination caused by corrosion must be reduced. Isotech offers Gold Motion crossed roller positioning tables equipped with corrosion-resistant, stainless steel, crossed roller linear bearings. Stainless steel models are designated by adding SS to model number before "A".

Inch Series Crossed Roller Slide Tables
NBTA Type


Length, Travel, and Load Selection

Dimension in Inches (mm)

BASE MOUNTING HOLES
(COUNTERBORED)
CARRIAGE
MOUNTING HOLES
(THREADED)
SPACING

Model

Stainless
Steel
Travel
T
Length
L
Load Capacity 
LBF (Kg)
No. Holes
U
W
No. Holes
Spacing
M

NBTA-221

NBTA-221SS 1 2 154 (70) 4 1.000 -- 2 Centered

NBTA-232

NBTA-232SS 2 3 198 (90) 4 2.000 -- 4 1 x 1.000

NBTA-243

NBTA-243SS 3 4 264 (120) 4 3.000 -- 6 2 x 1.000

NBTA-254

NBTA-254SS 4 5 308 (140) 4 4.000 -- 8 3 x 1.000

NBTA-265

NBTA-265SS 5 6 374 (170) 4 5.000 -- 10 4 x 1.000

NBTA-276

NBTA-276SS 6 7 418 (190) 4 6.000 -- 12 5 x 1.000

NBTA-287

NBTA-287SS 7 8 462 (210) 8 7.000 5.000 14 6 x 1.000

NBTA-289

NBTA-289SS 8 9 528 (240) 8 8.000 6.000 16 7 x 1.000

NBTA-2109

NBTA-2109SS 9 10 572 (259) 8 9.000 7.000 18 8 x 1.000

NBTA-21110

NBTA-21110SS 10 11 638 (289) 8 10.000 8.000 20 9 x 1.000

NBTA-21211

NBTA-21211SS 11 12 682 (309) 8 11.000 9.000 22 10 x 1.000

NBTA-332

NBTA-332SS 2 3 198 (90) 4 2.000 -- 4 1 x 1.000

NBTA-343

NBTA-343SS 3 4 264 (120) 4 3.000 -- 6 2 x 1.000

NBTA-354

NBTA-354SS 4 5 308 (140) 4 4.000 -- 8 3 x 1.000

NBTA-365

NBTA-365SS 5 6 374 (170) 4 5.000 -- 10 4 x 1.000

NBTA-376

NBTA-376SS 6 7 418 (190) 4 6.000 -- 12 5 x 1.000

NBTA-387

NBTA-387SS 7 8 462 (210) 8 7.000 5.000 14 6 x 1.000

NBTA-398

NBTA-398SS 8 9 528 (240) 8 8.000 6.000 16 7 x 1.000

NBTA-3109

NBTA-3109SS 9 10 572 (259) 8 9.000 7.000 18 8 x 1.000

NBTA-31110

NBTA-31110SS 10 11 638 (289) 8 10.000 8.000 20 9 x 1.000

NBTA-31211

NBTA-31211SS 11 12 682 (309) 8 11.000 9.000 22 10 x 1.000

NBTA-443

NBTA-443SS 3 4 528 (240) 4 3.000 -- 6 2 x 1.000

NBTA-465

NBTA-465SS 5 6 792 (359) 4 5.000 -- 10 4 x 1.000

NBTA-487

NBTA-487SS 7 8 1056 (479) 8 7.000 5.000 14 6 x 1.000

NBTA-4109

NBTA-4109SS 9 10 1320 (599) 8 9.000 7.000 18 8 x 1.000

NBTA-41211

NBTA-41211SS 11 12 1584 (719) 8 11.000 9.000 22 10 x 1.000

NBTA-41413

NBTA-41413SS
13 14 1848 (838) 8 13.000 11.000 26 12 x 1.000

NBTA-41615

NBTA-41615SS
15 16 2024 (918) 8 15.000 13.000 30 14 x 1.000

Crossed Roller Slide Tables
(Aluminum)

Length, Travel, and Load Selection

Dimension in Inches (mm)

BASE MOUNTING HOLES
(COUNTERBORED)
CARRIAGE
MOUNTING HOLES
(THREADED)
SPACING

Model

Stainless
Steel
Travel
T
Length
L
Load Capacity 
LBF (kg)
No. Holes
U
W
No. Holes
Spacing
M

NBT-1050A

NBT-1050SSA
1.00 1.969(50) 96(44) 4 1.575 (40) -- 4 1 x .5906(15)

NBT-1065A

NBT-1065SSA
1.50 2.559 (65) 114 (52) 4 2.165 (55) -- 6 2 x .5906 (15)

NBT-1080A

NBT-1080SSA
2.00 3.150 (80) 145 (66) 8 2.756 (70) 1.575 (40) 8 3 x .5906 (15)

NBT-1095A

NBT-1095SSA
2.50 3.740 (95) 162 (74) 8 3.346 (85) 2.165 (55) 10 4 x .5906 (15)

NBT-1125A

NBT-1125SSA
3.00 4.921 (125) 198 (90) 8 4.528 (115) 3.346 (85) 14 6 x .5906 (15)

NBT-2035A-18

NBT-2035SSA-18
0.71 1.378(35) 66(30) 4 0.984(25) -- 2 ---

NBT-2050A

NBT-2050SSA
1.00 1.969 (50) 96 (44) 4 1.575 (40) -- 4 1 x .5906 (15)
NBT-2050A-30
NBT-2050SSA-30
1.18 1.969 (50) 96 (44) 4 1.575 (40) -- 4 1 x .5906 (15)
NBT-2065A
NBT-2065SSA
1.50 2.559 (65) 114 (52) 4 2.165 (55) -- 6 2 x .5906 (15)
NBT-2065A-40
NBT-2065SSA-40
1.58 2.559 (65) 114 (52) 4 2.165 (55) -- 6 2 x .5906 (15)
NBT-2080A-50
NBT-2080SSA-50
1.97 3.150 (80) 145 (66) 8 2.756 (70) 1.575 (40) 8 3 x .5906 (15)
NBT-2080A
NBT-2080SSA
2.00 3.150 (80) 145 (66) 8 2.756 (70) 1.575 (40) 8 3 x .5906 (15)
NBT-2095A-60
NBT-2095SSA-60
2.36 3.740 (95) 162 (74) 8 3.346 (85) 2.165 (55) 10 4 x .5906 (15)
NBT-2095A
NBT-2095SSA
2.50 3.740 (95) 162 (74) 8 3.346 (85) 2.165 (55) 10 4 x .5906 (15)
NBT-2110A-70
NBT-2110SSA-70
2.76 4.331 (110) 187 (85) 8 3.937 (100) 2.756 (70) 12 5 x .5906 (15)
NBT-2125A
NBT-2125SSA
3.00 4.921 (125) 198 (90) 8 4.528 (115) 3.346 (85) 14 6 x .5906 (15)
NBT-2125A-80
NBT-2125SSA-80
3.15 4.921 (125) 198 (90) 8 4.528 (115) 3.346 (85) 14 6 x .5906 (15)
NBT-2155A-100
NBT-2155SSA-100
3.94 6.102 (155)

 317 (144)

8 5.708 (145) 4.527 (115) 18 8 x .5906 (15)
NBT-2185A-120
NBT-2185SSA-120
4.72 7.283 (185) 383 (174) 8 6.889 (175) 5.708 (145) 22 10 x .5906 (15)

NBT-3055A
NBT-3055SSA
1.00 2.165 (55) 193 (88) 4 1.378 (35) -- 2 --
NBT-3055A-30
NBT-3055SSA-30
1.18 2.165 (55) 193 (88) 4 1.378 (35) -- 2 --
NBT-3080A-45
NBT-3080SSA-45
1.77 3.150 (80) 220 (100) 4 2.362 (60) -- 4 1 x .9843 (25)
NBT-3105A
NBT-3105SSA
2.00 4.134 (105) 338 (154) 4 3.345 (85) -- 6 2 x .9843 (25)
NBT-3105A-60
NBT-3105SSA-60
2.36 4.134 (105) 338 (154) 4 3.345 (85) -- 6 2 x .9843 (25)
NBT-3130A-75
NBT-3130SSA-75
2.95 5.118 (130) 374 (170) 4 4.330 (110) -- 8 3 x .9843 (25)
NBT-3155A
NBT-3155SSA
3.00 6.102 (155) 477 (217) 4 5.315 (135) -- 10 4 x .9843 (25)
NBT-3155A-90
NBT-3155SSA-90
3.54 6.102 (155) 477 (217) 4 5.315 (135) -- 10 4 x .9843 (25)
NBT-3180A
NBT-3180SSA
4.00 7.087 (180) 545 (248) 4 6.299 (160) -- 12 5 x .9843 (25)
NBT-3180A-105
NBT-3180SSA-105
4.13 7.087 (180) 545 (248) 4 6.299 (160) -- 12 5 x .9843 (25)
NBT-3205A
NBT-3205SSA
5.00 8.071 (205) 576 (262) 8 7.283 (185) 3.346 (85) 14 6 x .9843 (25)
NBT-3205A-130
NBT-3205SSA-130
5.12 8.071 (205) 576 (262) 8 7.283 (185) 3.346 (85) 14 6 x .9843 (25)
NBT-3230A-155
NBT-3230SSA-155
6.10 9.055 (230) 638 (290) 8 8.267 (210) 4.300 (110) 16 7 x .9843 (25)
NBT-3255A-180
NBT-3255SSA-180
7.09 10.039 (255) 682 (310) 8 9.251 (235) 5.314 (135) 18 8 x .9843 (25)
NBT-3280A-205
NBT-3280SSA-205
8.07 11.024 (280) 748 (340) 8 10.236(260) 6.299 (160) 20 9 x .9843 (25)
NBT-3305A-230
NBT-3305SSA-230
9.06 12.008 (305) 792 (360) 8 11.220(285) 7.283 (185) 22 10 x.9843 (25)

NBT-4085A NBT-4085SSA 2.00 3.346 (85) 430 (196) 4 2.559 (65) -- 2 --
NBT-4125A NBT-4125SSA 3.00 4.921 (125) 600 (273) 4 4.134 (105) -- 4 1 x 1.575 (40)
NBT-4165A NBT-4165SSA 4.00 6.496 (165) 723 (329) 4 5.709 (145) -- 6 2 x 1.575 (40)
NBT-4205A NBT-4205SSA 5.00 8.071 (205) 870 (395) 4 7.283 (185) -- 8 3 x 1.575 (40)
NBT-4245A
NBT-4245SSA
6.00 9.646 (245) 1016 (462) 4 8.858 (225) -- 10 4 x 1.575 (40)

NBT-6110A
NBT-6110SSA
3.00 4.331 (110) 616 (280) 4 3.543 (90) -- 2 --
NBT-6160A
NBT-6160SSA
4.00 6.300 (160) 1062 (483) 4 5.512 (140) -- 4 1 x 1.969 (50)
NBT-6260A
NBT-6260SSA
6.00 10.24 (260) 1600 (728) 4 9.449 (240) -- 8 3 x 1.969 (50)
NBT-6360A
NBT-6360SSA
9.00 14.17 (360) 2032 (924) 8 13.39 (340) 5.512 (140) 12 5 x 1.969 (50)

Base



Mounting Dimensions
Carriage Mounting Dimensions

MOUNTING DIMENSIONS

CARRIAGE

BASE
SPACING
THREAD
DEPTH
SPACING
COUNTERBORE

SERIES

N
P
J
K
R
S
D
d
SCREW
 SIZE 
NBTA-2
1.005
0.875
#8-32
0.330
0.496
1.500
0.275
0.185
#8
NBTA-3
1.005
1.375
#10-32
0.330
0.496
2.375
0.330
0.204
#10
NBTA-4
1.005
1.875
1/4-20
0.327
0.496
3.375
0.406
0.281
#1/4
NBT-1000A
0.689(17.5)
0.394 (10)
4-40
0.177(4.5)
0.197 (5)
0.866(22)
0.198 (5)
0.125 (3.1)
---
NBT-2000A
0.689 (17.5)
0.591 (15)
6-32
0.315 (8)