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Ball Screws
THK
[THK] — Ball Screw Nut DC (Key Groove Type)
Family ID: THK-DC
THK DC type Ball Screw Nut, key groove mounting design. Outer diameter D = 22~68mm, nut length 22~67mm. 13 sizes DC12~DC50. Compatible with CS series ball screw shafts (rolled type T; ground type K available on order). Dynamic allowable thrust contact pressure 9.8 N/mm².
13 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| DC12 | THK Ball Screw Nut DC12 (key groove), D=22mm, L=22mm | THK | Outer Diameter (D): 22 mm (0/-0.052) | Nut Length (L): 22 mm | Key Width (b): 4 mm | Key Depth (t): 2.0 mm | Key Length (ℓ): 16 mm | Mounting Type: Key groove | Compatible Shaft: CS12 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard | ||
| DC14 | THK Ball Screw Nut DC14 (key groove), D=22mm, L=22mm | THK | Outer Diameter (D): 22 mm (0/-0.052) | Nut Length (L): 22 mm | Key Width (b): 4 mm | Key Depth (t): 2.0 mm | Key Length (ℓ): 16 mm | Mounting Type: Key groove | Compatible Shaft: CS14 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard | ||
| DC16 | THK Ball Screw Nut DC16 (key groove), D=28mm, L=26mm | THK | Outer Diameter (D): 28 mm (0/-0.052) | Nut Length (L): 26 mm | Key Width (b): 5 mm | Key Depth (t): 2.5 mm | Key Length (ℓ): 18 mm | Mounting Type: Key groove | Compatible Shaft: CS16 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard | ||
| DC18 | THK Ball Screw Nut DC18 (key groove), D=32mm, L=31mm | THK | Outer Diameter (D): 32 mm (0/-0.062) | Nut Length (L): 31 mm | Key Width (b): 7 mm | Key Depth (t): 2.5 mm | Key Length (ℓ): 22 mm | Mounting Type: Key groove | Compatible Shaft: CS18 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard | ||
| DC20 | THK Ball Screw Nut DC20 (key groove), D=32mm, L=31mm | THK | Outer Diameter (D): 32 mm (0/-0.062) | Nut Length (L): 31 mm | Key Width (b): 7 mm | Key Depth (t): 2.5 mm | Key Length (ℓ): 22 mm | Mounting Type: Key groove | Compatible Shaft: CS20 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard | ||
| DC22 | THK Ball Screw Nut DC22 (key groove), D=36mm, L=40mm | THK | Outer Diameter (D): 36 mm (0/-0.062) | Nut Length (L): 40 mm | Key Width (b): 7 mm | Key Depth (t): 2.5 mm | Key Length (ℓ): 26 mm | Mounting Type: Key groove | Compatible Shaft: CS22 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard | ||
| DC25 | THK Ball Screw Nut DC25 (key groove), D=36mm, L=40mm | THK | Outer Diameter (D): 36 mm (0/-0.062) | Nut Length (L): 40 mm | Key Width (b): 7 mm | Key Depth (t): 2.5 mm | Key Length (ℓ): 26 mm | Mounting Type: Key groove | Compatible Shaft: CS25 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard | ||
| DC28 | THK Ball Screw Nut DC28 (key groove), D=44mm, L=45mm | THK | Outer Diameter (D): 44 mm (0/-0.062) | Nut Length (L): 45 mm | Key Width (b): 10 mm | Key Depth (t): 4.0 mm | Key Length (ℓ): 32 mm | Mounting Type: Key groove | Compatible Shaft: CS28 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard | ||
| DC32 | THK Ball Screw Nut DC32 (key groove), D=44mm, L=45mm | THK | Outer Diameter (D): 44 mm (0/-0.062) | Nut Length (L): 45 mm | Key Width (b): 10 mm | Key Depth (t): 4.0 mm | Key Length (ℓ): 32 mm | Mounting Type: Key groove | Compatible Shaft: CS32 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard | ||
| DC36 | THK Ball Screw Nut DC36 (key groove), D=52mm, L=49mm | THK | Outer Diameter (D): 52 mm (0/-0.074) | Nut Length (L): 49 mm | Key Width (b): 12 mm | Key Depth (t): 4.5 mm | Key Length (ℓ): 40 mm | Mounting Type: Key groove | Compatible Shaft: CS36 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard | ||
| DC40 | THK Ball Screw Nut DC40 (key groove), D=58mm, L=57mm | THK | Outer Diameter (D): 58 mm (0/-0.074) | Nut Length (L): 57 mm | Key Width (b): 15 mm | Key Depth (t): 5.0 mm | Key Length (ℓ): 42 mm | Mounting Type: Key groove | Compatible Shaft: CS40 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard | ||
| DC45 | THK Ball Screw Nut DC45 (key groove), D=64mm, L=62mm | THK | Outer Diameter (D): 64 mm (0/-0.074) | Nut Length (L): 62 mm | Key Width (b): 15 mm | Key Depth (t): 5.0 mm | Key Length (ℓ): 48 mm | Mounting Type: Key groove | Compatible Shaft: CS45 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard | ||
| DC50 | THK Ball Screw Nut DC50 (key groove), D=68mm, L=67mm | THK | Outer Diameter (D): 68 mm (0/-0.074) | Nut Length (L): 67 mm | Key Width (b): 15 mm | Key Depth (t): 5.0 mm | Key Length (ℓ): 52 mm | Mounting Type: Key groove | Compatible Shaft: CS50 | Note: Ground shaft (K type) available on order; rolled shaft (T type) is standard |
