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KGG GLR Linear Motion Precision Ball Screw with Metric Threads Nut for Forging Machinery Featured Image
  • KGG GLR Linear Motion Precision Ball Screw with Metric Threads Nut for Forging Machinery
  • KGG GLR Linear Motion Precision Ball Screw with Metric Threads Nut for Forging Machinery
  • KGG GLR Linear Motion Precision Ball Screw with Metric Threads Nut for Forging Machinery
  • KGG GLR Linear Motion Precision Ball Screw with Metric Threads Nut for Forging Machinery

KGG GLR Linear Motion Precision Ball Screw with Metric Threads Nut for Forging Machinery


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Accuracy grade of GLR series(single nut ball screw with metric thread)are based on C5,Ct7 and Ct10(JIS B 1192-3). According to accuracy grade, Axial play 0.005(Preload :C5),0.02(Ct7) and 0.05mm or less(Ct10).

GLR series (single nut ball screw with metric thread)of screw shaft screw material S55C (induction hardening), nut material SCM415H (carburizing and hardening), the surface hardness of the ball screw part is HRC58 or higher.

The shaft end shape of the GLR series (single nut ball screw with metric thread) has been standardized.And has been kept delivered in time all the year round. Screw rod and nut can be ordered separately.

Shaft Ball Lead Angle Number of circuit Surface hardness Material Travel Grade Shaft Lead accuracy Total Axial Basic Load Rating PDF Download 3D CAD
length (L1) Run-out play (N)
Dia. (mm) Lead(mm) Number of Thread direction Root dia Diameter BCD Shaft Nut 　 Travel deviation (ep) Variation(V300) 　 　 Dynamic Static
thread 　 　 　 (Ca) (Coa)
4 1 1 Right Φ3.3 Φ0.8 4.15 4°23‘ 3.7×1 HRC58～62 S55C SCM415H 585 C5 600 ±0.030 0.018 0.09 ~0.005 560 790 * *
Ct7 ±0.104 0.052 0.15 ~0.020 *
Ct10 ±0.420 0.21 0.35 ~0.050 *
8 2 1 Right Φ6.6 Φ1.5875 8.3 4°23‘ 3.7×1 HRC58～62 S55C SCM415H 1170 C5 1200 ±0.046 0.018 0.15 ~0.005 2400 4100 * *
Ct7 ±0.208 0.052 0.32 ~0.020 *
Ct10 ±0.840 0.21 0.64 ~0.050 *
8 5 2 Right Φ6.6 Φ1.5875 8.3 10°51‘ 2.7×1 HRC58～62 S55C SCM415H 1170 C5 1200 ±0.046 0.018 0.15 ~0.005 1850 3000 * *
Ct7 ±0.208 0.052 0.32 ~0.020 *
Ct10 ±0.840 0.21 0.64 ~0.050 *
10 2 1 Right Φ6.6 Φ1.5875 10.3 3°32‘ 3.7×1 HRC58～62 S55C SCM415H 1170 C5 1200 ±0.046 0.018 0.15 ~0.005 2700 5300 * *
Ct7 ±0.208 0.052 0.32 ~0.020 *
Ct10 ±0.840 0.21 0.64 ~0.050 *
10 3 1 Right Φ8.2 Φ2.0 10.3 5°18‘ 3.7×1 HRC58～62 S55C SCM415H 1170 C5 1200 ±0.046 0.018 0.15 ~0.005 3900 7200 * *
Ct7 ±0.208 0.052 0.32 ~0.020 *
Ct10 ±0.840 0.21 0.64 ~0.050 *
12 2 1 Right Φ10.6 Φ1.5875 12.3 2°58‘ 3.7×1 HRC58～62 S55C SCM415H 1170 C5 1200 ±0.046 0.018 0.15 ~0.005 3000 6400 * *
Ct7 ±0.208 0.052 0.32 ~0.020 *
Ct10 ±0.840 0.21 0.64 ~0.050 *
14 2 1 Right Φ12.6 Φ1.5875 14.3 2°33‘ 3.7×1 HRC58～62 S55C SCM415H 1170 C5 1200 ±0.046 0.018 0.15 ~0.005 3200 7500 * *
Ct7 ±0.208 0.052 0.32 ~0.020 *
Ct10 ±0.840 0.21 0.64 ~0.050 *
14 4 2 Right Φ11.8 Φ2.381 12.3 5°05‘ 3.7×1 HRC58～62 S55C SCM415H 1165 C5 1200 ±0.046 0.018 0.15 ~0.005 5700 11600 * *
Ct7 ±0.208 0.052 0.32 ~0.020 *
Ct10 ±0.840 0.21 0.64 ~0.050 *
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