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BS Compact Ball Screw

ABSSAC Lead Screws, Ball Screws, and Shaft Couplings
Call: 01386 421 005
Email: sales@abssac.co.uk
Web: www.abssac.co.uk
ABSSAC
Precision Ball Screws

Sleeve type Single Nut

Backlash type/Preload type

Ballscrew Sleeve type Single Nut Diagram 1

Unit : mm
Ball Nut
Model number
Shaft
nominal
dia.
d
Lead Ball size BCD Lead
angle
Root dia.
d0
Number of
Circuit
Basic Load Rating
N
Nut Rigidity
N/µm
Dynamic
Ca
Static
Coa
BS 0301 B 3 1 0.6 3.18 5°43' 2.4 3.7×1 330 / - 440 / - 42 / -
BS 0401 A 4 1 0.8 4.15 4°23' 3.3 2.7×1 420 / 270 570 / 290 40 / 34
BS 0401 B 4 1 0.8 4.15 4°23' 3.3 3.7×1 560 / 350 790 / 400 54 / 45
BS 0402 A 4 2 0.8 4.15 8°43' 3.3 2.7×1 420 / 260 570 / 290 39 / 33
BS 0403 A 4 3 0.8 4.15 12°57' 3.3 2.7×1 420 / - 570 / - 39 / -
BS 0501 B 5 1 0.8 5.15 3°32' 4.3 3.7×1 630 / 400 1000 / 500 65 / 55
BS 0504 A 5 4 0.8 5.15 13°53' 4.3 2.7×1 470 / 300 720 / 360 47 / 39
BS 0601 B 6 1 0.8 6.15 2°58' 5.3 3.7×1 680 / 430 1200 / 610 75 / 63
BS 0601.5 B 6 1.5 1 6.2 4°24' 5.1 3.7×1 980 / 620 1600 / 800 79 / 67
BS 0602 A 6 2 1 6.2 5°52' 5.1 2.7×1 750 / 470 1200 / 590 58 / 49
BS 0602 B 6 2 1 6.2 5°52' 5.1 3.7×1 980 / 620 1600 / 800 79 / 67
BS 0602.5 A 6 2.5 1 6.2 7°19' 5.1 2.7×1 750 / 470 1200 / 590 59 / 49
Ball Nut
Model number
Nut dimension
D L W H S S1
BS 0301 B 9 12 2 1.2 8 2
BS 0401 A 10 12 2 1.2 8 2
BS 0401 B 11 14 3 1.8 8 3
BS 0402 A 11 16 3 1.8 8 4
BS 0403 A 11 20 3 1.8 8 6
BS 0501 B 12 14 3 1.8 8 3
BS 0504 A 12 22 3 1.8 12 5
BS 0601 B 13 14 3 1.8 10 2
BS 0601.5 B 14 16 3 1.8 10 3
BS 0602 A 15 15 3 1.8 10 2.5
BS 0602 B 15 18 3 1.8 12 3
BS 0602.5 A 15 16 3 1.8 10 3
Basic Load Rating
N
Nut Rigidity
N/µm
Dynamic
Ca
Static
Coa
1000 / 640 3300 / 1650 164 / 138
      Preload type
Backlash type
Note 1)
The diameter of one of the Screw Shaft ends must be less than the Screw Shaft Root diameter,
otherwise Ball Nut cannot be installed.
Note 2)
Ball Nut dimension is without seal at both ends. If the seals are required, Ball Nut dimension should be changed, in that case, please ask ABSSAC. Some type of Ball Nuts cannot equip with seals, please ask ABSSAC representative.
Note 3)
The Rigidity values shown in the table are theoretical values of Ball Nut Rigidity calculated from the amount of Elastic Displacement under the following conditions. Backlash type; Apply the Axial load equivalent to 30% of the Basic Dynamic Load Rating Ca. Preload type; Apply the Preload equivalent to 5% of the Basic Dynamic Load Rating Ca. For Axial load or Preload condition other than the above, see the formula in p-A823, you can calculate Rigidity using this formula.
Note 4)
All models are Right-hand screw. If Left-hand screw is required, please ask ABSSAC representative.
Note 5)
Basic Load Rating and Rigidity for Backlash type and Preload type are described in the same cell.
T: +44 (0)1386 421005 F: +44 (0)1386 422441 E: sales@abssac.co.uk W: www.abssac.co.uk
ABSSAC
Precision Ball Screws

Sleeve type Single Nut

Backlash type/Preload type

Ballscrew Sleeve type Single Nut Diagram 1

Unit : mm
Ball Nut
Model number
Shaft
nominal
dia.
d
Lead Ball size BCD Lead
angle
Root dia.
d0
Number of
Circuit
Basic Load Rating
N
Nut Rigidity
N/µm
Dynamic
Ca
Static
Coa
BS 0801 B 8 1 0.8 8.15 2°15' 7.3 3.7×1 780 / 490 1650 / 820 95 / 80
BS 0801.5 B 8 1.5 1 8.2 3°20' 7.1 3.7×1 1100 / 700 2200 / 1100 99 / 83
BS 0802 A(1) 8 2 1 8.2 4°26' 7.1 2.7×1 850 / 540 1600 / 800 74 / 61
BS 0802 B(1) 8 2 1 8.2 4°26' 7.1 3.7×1 1100 / 700 2200 / 1100 99 / 83
BS 0802 A(2) 8 2 1.5875 8.3 4°23' 6.6 2.7×1 1850 / 1150 3000 / 1500 82 / 69
BS 0802 B(2) 8 2 1.5875 8.3 4°23' 6.6 3.7×1 2400 / 1550 4100 / 2100 111 / 94
BS 0802.5 A(1) 8 2.5 1.5875 8 5°41' 6.3 2.7×1 1850 / - 3000 / - 80 / -
BS 0802.5 A(2) 8 2.5 1.5875 8.3 5°29' 6.6 2.7×1 1850 / 1150 3000 / 1500 82 / 69
BS 0802.5 B 8 2.5 1.5875 8.3 5°29' 6.6 3.7×1 2400 / 1550 4100 / 2100 111 / 93
BS 0803 A 8 3 2 8.3 6°34' 6.2 2.7×1 2600 / 1650 4200 / 2100 85 / 70
BS 0803 B 8 3 2 8.3 6°34' 6.2 3.7×1 3500 / 2200 5700 / 2800 116 / 97
BS 0804 A 8 4 2 8.3 8°43' 6.2 2.7×1 2600 / 1650 4200 / 2100 84 / 70
BS 0805 A 8 5 1.5875 8.3 10°51' 6.6 2.7×1 1850 / 1150 3000 / 1500 82 / 67
Ball Nut
Model number
Nut dimension
D L W H S S1
BS 0801 B 16 14 3 1.8 10 2
BS 0801.5 B 16 16 3 1.8 10 3
BS 0802 A(1) 16 15 3 1.8 10 2.5
BS 0802 B(1) 16 18 3 1.8 12 3
BS 0802 A(2) 20 17 4 2.5 12 2.5
BS 0802 B(2) 20 20 4 2.5 16 2
BS 0802.5 A(1) 16 16 3 1.8 8 4
BS 0802.5 A(2) 20 19 4 2.5 12 3.5
BS 0802.5 B 20 22 4 2.5 16 3
BS 0803 A 20 22 4 2.5 16 3
BS 0803 B 20 26 4 2.5 20 3
BS 0804 A 21 26 4 2.5 20 3
BS 0805 A 18 28 4 2.5 20 4
Basic Load Rating
N
Nut Rigidity
N/µm
Dynamic
Ca
Static
Coa
1000 / 640 3300 / 1650 164 / 138
      Preload type
Backlash type
Note 1)
The diameter of one of the Screw Shaft ends must be less than the Screw Shaft Root diameter,
otherwise Ball Nut cannot be installed.
Note 2)
Ball Nut dimension is without seal at both ends. If the seals are required, Ball Nut dimension should be changed, in that case, please ask ABSSAC. Some type of Ball Nuts cannot equip with seals, please ask ABSSAC representative.
Note 3)
The Rigidity values shown in the table are theoretical values of Ball Nut Rigidity calculated from the amount of Elastic Displacement under the following conditions. Backlash type; Apply the Axial load equivalent to 30% of the Basic Dynamic Load Rating Ca. Preload type; Apply the Preload equivalent to 5% of the Basic Dynamic Load Rating Ca. For Axial load or Preload condition other than the above, see the formula in p-A823, you can calculate Rigidity using this formula.
Note 4)
All models are Right-hand screw. If Left-hand screw is required, please ask ABSSAC representative.
Note 5)
Basic Load Rating and Rigidity for Backlash type and Preload type are described in the same cell.
T: +44 (0)1386 421005 F: +44 (0)1386 422441 E: sales@abssac.co.uk W: www.abssac.co.uk
ABSSAC
Precision Ball Screws

Sleeve type Single Nut

Backlash type/Preload type

Ballscrew Sleeve type Single Nut Diagram 1

Unit : mm
Ball Nut
Model number
Shaft
nominal
dia.
d
Lead Ball size BCD Lead
angle
Root dia.
d0
Number of
Circuit
Basic Load Rating
N
Nut Rigidity
N/µm
Dynamic
Ca
Static
Coa
BS 1001 B 10 1 0.8 10.15 1°48' 9.3 3.7×1 840 / 530 2000 / 1000 113 / 95
BS 1001.5 B 10 1.5 1 10.2 2°41' 9.1 3.7×1 1250 / 790 2800 / 1400 120 / 101
BS 1002 A 10 2 1.5875 10.3 3°32' 8.6 2.7×1 2100 / 1300 3800 / 1900 100 / 82
BS1002 B 10 2 1.5875 10.3 3°32' 8.6 3.7×1 2700 / 1750 5300 / 2700 134 / 112
BS 1002.5 A 10 2.5 1.5875 10.3 4°25' 8.6 2.7×1 2100 / 1300 3800 / 1900 100 / 82
BS 1002.5 B 10 2.5 1.5875 10.3 4°25' 8.6 3.7×1 2700 / 1750 5300 / 2700 133 / 112
BS 1003 A 10 3 2 10.3 5°18' 8.2 2.7×1 3000 / 1800 5200 / 2600 103 / 84
BS 1003 B 10 3 2 10.3 5°18' 8.2 3.7×1 3900 / 2500 7200 / 3600 140 / 118
BS 1004 A 10 4 2 10.3 7°03' 8.2 2.7×1 3000 / 1800 5200 / 2600 104 / 86
BS 1004 B 10 4 2 10.3 7°03' 8.2 3.7×1 3900 / 2500 7200 / 3600 139 / 118
BS 1005 A(1) 10 5 2 10.3 8°47' 8.2 2.7×1 3000 / - 5200 / - 103 / -
BS 1005 A(2) 10 5 2 10.3 8°47' 8.2 2.70 ×1 3000 / 1800 5200 / 2600 103 / 85
Ball Nut
Model number
Nut dimension
D L W H S S1
BS 1001 B 19 14 3 1.8 10 2
BS 1001.5 B 19 16 3 1.8 10 3
BS 1002 A 23 17 5 3 12 2.5
BS1002 B 23 20 5 3 16 2
BS 1002.5 A 24 19 5 3 12 3.5
BS 1002.5 B 24 22 5 3 16 3
BS 1003 A 24 22 5 3 16 3
BS 1003 B 24 26 5 3 20 3
BS 1004 A 24 26 5 3 20 3
BS 1004 B 24 30 5 3 20 5
BS 1005 A(1) 23 26 5 3 16 5
BS 1005 A(2) 24 34 5 3 28 3
Basic Load Rating
N
Nut Rigidity
N/µm
Dynamic
Ca
Static
Coa
1000 / 640 3300 / 1650 164 / 138
      Preload type
Backlash type
Note 1)
The diameter of one of the Screw Shaft ends must be less than the Screw Shaft Root diameter,
otherwise Ball Nut cannot be installed.
Note 2)
Ball Nut dimension is without seal at both ends. If the seals are required, Ball Nut dimension should be changed, in that case, please ask ABSSAC. Some type of Ball Nuts cannot equip with seals, please ask ABSSAC representative.
Note 3)
The Rigidity values shown in the table are theoretical values of Ball Nut Rigidity calculated from the amount of Elastic Displacement under the following conditions. Backlash type; Apply the Axial load equivalent to 30% of the Basic Dynamic Load Rating Ca. Preload type; Apply the Preload equivalent to 5% of the Basic Dynamic Load Rating Ca. For Axial load or Preload condition other than the above, see the formula in p-A823, you can calculate Rigidity using this formula.
Note 4)
All models are Right-hand screw. If Left-hand screw is required, please ask ABSSAC representative.
Note 5)
Basic Load Rating and Rigidity for Backlash type and Preload type are described in the same cell.
T: +44 (0)1386 421005 F: +44 (0)1386 422441 E: sales@abssac.co.uk W: www.abssac.co.uk
ABSSAC
Precision Ball Screws

Sleeve type Single Nut

Backlash type/Preload type

Ballscrew Sleeve type Single Nut Diagram 1

Unit : mm
Ball Nut
Model number
Shaft
nominal
dia.
d
Lead Ball size BCD Lead
angle
Root dia.
d0
Number of
Circuit
Basic Load Rating
N
Nut Rigidity
N/µm
Dynamic
Ca
Static
Coa
BS 1201 B 12 1 0.8 12.15 1°30' 11.3 3.7×1 910 / 570 2400 / 1200 131 / 110
BS 1202 B 12 2 1.5875 12.3 2°58' 10.6 3.7×1 3000 / 1900 6400 / 3200 156 / 132
BS 1202.5 B 12 2.5 1.5875 12.3 3°42' 10.6 3.7×1 3000 / 1850 6400 / 3200 156 / 130
BS 1203 B 12 3 2 12.3 4°26' 10.2 3.7×1 4300 / 2800 8700 / 4300 162 / 137
BS 1204 B 12 4 2.381 12.3 5°55' 9.8 3.7×1 5400 / 3400 10200 / 5100 165 / 139
BS 1205 A 12 5 2.381 12.3 7°22' 9.8 2.7×1 4100 / 2500 7400 / 3700 122 / 101
BS 1401 B 14 1 0.8 14.15 1°17' 13.3 3.7×1 960 / 610 2900 / 1450 148 / 124
BS 1402 B 14 2 1.5875 14.3 2°33' 12.6 3.7×1 3200 / 2000 7500 / 3800 176 / 148
BS 1402.5 B 14 2.5 1.5875 14.3 3°11' 12.6 3.7×1 3200 / 2000 7500 / 3700 176 / 148
BS 1403 B 14 3 2 14.3 3°49' 12.2 3.7×1 4600 / 2900 10100 / 5000 184 / 154
BS 1404 B 14 4 2.381 14.3 5°05' 11.8 3.7×1 5700 / 3600 11600 / 5800 187 / 157
BS 1405 B 14 5 2.381 14.3 6°21' 11.8 3.7×1 5700 / 3600 11600 / 5800 186 / 157
Ball Nut
Model number
Nut dimension
D L W H S S1
BS 1201 B 22 14 4 2.5 10 2
BS 1202 B 25 20 5 3 16 2
BS 1202.5 B 26 22 5 3 16 3
BS 1203 B 28 26 5 3 20 3
BS 1204 B 28 31 5 3 25 3
BS 1205 A 28 31 5 3 25 3
BS 1401 B 26 16 5 3 10 3
BS 1402 B 26 20 5 3 16 2
BS 1402.5 B 28 22 5 3 16 3
BS 1403 B 30 26 5 3 20 3
BS 1404 B 30 31 5 3 25 3
BS 1405 B 30 38 5 3 28 5
Basic Load Rating
N
Nut Rigidity
N/µm
Dynamic
Ca
Static
Coa
1000 / 640 3300 / 1650 164 / 138
      Preload type
Backlash type
Note 1)
The diameter of one of the Screw Shaft ends must be less than the Screw Shaft Root diameter,
otherwise Ball Nut cannot be installed.
Note 2)
Ball Nut dimension is without seal at both ends. If the seals are required, Ball Nut dimension should be changed, in that case, please ask ABSSAC. Some type of Ball Nuts cannot equip with seals, please ask ABSSAC representative.
Note 3)
The Rigidity values shown in the table are theoretical values of Ball Nut Rigidity calculated from the amount of Elastic Displacement under the following conditions. Backlash type; Apply the Axial load equivalent to 30% of the Basic Dynamic Load Rating Ca. Preload type; Apply the Preload equivalent to 5% of the Basic Dynamic Load Rating Ca. For Axial load or Preload condition other than the above, see the formula in p-A823, you can calculate Rigidity using this formula.
Note 4)
All models are Right-hand screw. If Left-hand screw is required, please ask ABSSAC representative.
Note 5)
Basic Load Rating and Rigidity for Backlash type and Preload type are described in the same cell.
T: +44 (0)1386 421005 F: +44 (0)1386 422441 E: sales@abssac.co.uk W: www.abssac.co.uk
ABSSAC
Precision Ball Screws

Sleeve type Single Nut

Backlash type/Preload type

Ballscrew Sleeve type Single Nut Diagram 1

Unit : mm
Ball Nut
Model number
Shaft
nominal
dia.
d
Lead Ball size BCD Lead
angle
Root dia.
d0
Number of
Circuit
Basic Load Rating
N
Nut Rigidity
N/µm
Dynamic
Ca
Static
Coa
BS 1601 B 16 1 0.8 16.15 1°08' 15.3 3.7×1 1000 / 640 3300 / 1650 164 / 138
BS 1602 B 16 2 1.5875 16.3 2°14' 14.6 3.7×1 3400 / 2100 8600 / 4300 197 / 163
BS 1602.5 B 16 2.5 1.5875 16.3 2°48' 14.6 3.7×1 3400 / 2100 8600 / 4300 197 / 163
BS 1603 B 16 3 2 16.3 3°21' 14.2 3.7×1 4900 / 3100 11600 / 5800 205 / 172
BS 1604 B 16 4 2.381 16.3 4°28' 13.8 3.7×1 6200 / 3900 13600 / 6800 209 / 174
BS 1605 B 16 5 3.175 16.5 5°31' 13.2 3.7×1 9100 / 5700 18200 / 9100 217 / 182
Ball Nut
Model number
Nut dimension
D L W H S S1
BS 1601 B 28 16 5 3 10 3
BS 1602 B 28 20 5 3 16 2
BS 1602.5 B 28 22 5 3 16 3
BS 1603 B 32 26 5 3 20 3
BS 1604 B 34 32 5 3 25 3.5
BS 1605 B 38 38 5 3 28 5
Basic Load Rating
N
Nut Rigidity
N/µm
Dynamic
Ca
Static
Coa
1000 / 640 3300 / 1650 164 / 138
      Preload type
Backlash type
Note 1)
The diameter of one of the Screw Shaft ends must be less than the Screw Shaft Root diameter,
otherwise Ball Nut cannot be installed.
Note 2)
Ball Nut dimension is without seal at both ends. If the seals are required, Ball Nut dimension should be changed, in that case, please ask ABSSAC. Some type of Ball Nuts cannot equip with seals, please ask ABSSAC representative.
Note 3)
The Rigidity values shown in the table are theoretical values of Ball Nut Rigidity calculated from the amount of Elastic Displacement under the following conditions. Backlash type; Apply the Axial load equivalent to 30% of the Basic Dynamic Load Rating Ca. Preload type; Apply the Preload equivalent to 5% of the Basic Dynamic Load Rating Ca. For Axial load or Preload condition other than the above, see the formula in p-A823, you can calculate Rigidity using this formula.
Note 4)
All models are Right-hand screw. If Left-hand screw is required, please ask ABSSAC representative.
Note 5)
Basic Load Rating and Rigidity for Backlash type and Preload type are described in the same cell.
T: +44 (0)1386 421005 F: +44 (0)1386 422441 E: sales@abssac.co.uk W: www.abssac.co.uk