¢º Products : LM Guide >THK LM Guide >THK Ball Screw >Type BNK1202-3
BNK0401-3 | BNK0601-3 | BNK0801-3 | BNK0802-3 | BNK1002-3 | BNK1004-2.5 | BNK1010-1.5 | BNK1202-3 | BNK1205-2.5 BNK1402-3 | BNK1404-3 | BNK1408-2.5 | BNK1510-5.6 | BNK1520-3 | BNK1616-3.6 | BNK2010-2.5 | BNK2020-3.6 | BNK2520-3.6
Ball Screw specifications
Lead (mm)
2
BCD (mm)
12.3
Thread minor diameter (mm)
11.0
Threading direction/no. of threaded grooves
Right-hand, 1
No. of circuits
3 rows X 1 turn
Clearance symbol
G0
GT
G2
Axial clearance (mm)
0
0.005 Max
0.02 Max
Basic dynamic load rating Ca(kN)
1.7
Basic static load rating C0a(kN)
3.6
Preload torque (N·m)
3.9×10-3¡3.4×10-2
-
Spacer ball
None
Unit : mm
1kN¡Ö102kgf
Ball Screw model No.
Stroke
Screw-shaft length
Screw-shaft longitudinal-axisrunoutD
NutcircumferentialrunoutH
Flangeperpen-dicularityI
ShaftthreadrunoutJ
L1
L2
L3
BNK 1202-3RRG0 + 154LC3Y
50
85
99
154
0.020
0.010
0.008
0.007
BNK 1202-3RRG0 + 154LC5Y
0.035
0.012
0.011
BNK 1202-3RRG2 + 154LC7Y
0.040
0.014
BNK 1202-3RRG0 + 204LC3Y
100
135
149
204
0.030
BNK 1202-3RRG0 + 204LC5Y
BNK 1202-3RRG2 + 204LC7Y
0.055
BNK 1202-3RRG0 + 254LC3Y
150
185
199
254
BNK 1202-3RRG0 + 254LC5Y
BNK 1202-3RRG2 + 254LC7Y
BNK 1202-3RRG0 + 304LC3Y
200
235
249
304
BNK 1202-3RRG0 + 304LC5Y
0.050
BNK 1202-3RRG2 + 304LC7Y
BNK 1202-3RRG0 + 354LC3Y
250
285
299
354
BNK 1202-3RRG0 + 354LC5Y
BNK 1202-3RRG2 + 354LC7Y
0.065