THK SBK Ball Screw (Medium Type, φ36~55, Ball Retainer)

THK SBK Series High-Speed Precision Ground Ball Screw (Medium type) with Ball Retainer.

Key features

DN value 210,000
Ball retainer eliminates ball-to-ball contact for low noise, reduced torque variation, and long maintenance-free operation
Shaft diameter range φ36~55mm
Multiple lead options available

Specifications

DN Value	210,000
Size	Medium
Type	High-Speed, Ball Retainer (SBK)

SBK3620-7.6		THK SBK3620-7.6, φ36 Lead20, Ca=48.5kN \| Shaft Diameter: φ36mm \| Lead: 20mm \| Ca: 48.5kN \| C0a: 85.0kN \| Nut OD D: 73mm \| Flange D1: 114mm \| Nut Length L1: 110mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
SBK3636-5.6		THK SBK3636-5.6, φ36 Lead36, Ca=36.6kN \| Shaft Diameter: φ36mm \| Lead: 36mm \| Ca: 36.6kN \| C0a: 64.7kN \| Nut OD D: 73mm \| Flange D1: 114mm \| Nut Length L1: 134mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
SBK4020-7.6		THK SBK4020-7.6, φ40 Lead20, Ca=59.7kN \| Shaft Diameter: φ40mm \| Lead: 20mm \| Ca: 59.7kN \| C0a: 112.7kN \| Nut OD D: 80mm \| Flange D1: 136mm \| Nut Length L1: 110mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
SBK4030-7.6		THK SBK4030-7.6, φ40 Lead30, Ca=59.2kN \| Shaft Diameter: φ40mm \| Lead: 30mm \| Ca: 59.2kN \| C0a: 107.5kN \| Nut OD D: 80mm \| Flange D1: 136mm \| Nut Length L1: 148mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
SBK4040-5.6		THK SBK4040-5.6, φ40 Lead40, Ca=44.8kN \| Shaft Diameter: φ40mm \| Lead: 40mm \| Ca: 44.8kN \| C0a: 80.3kN \| Nut OD D: 80mm \| Flange D1: 136mm \| Nut Length L1: 146mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
SBK5020-7.6		THK SBK5020-7.6, φ50 Lead20, Ca=66.8kN \| Shaft Diameter: φ50mm \| Lead: 20mm \| Ca: 66.8kN \| C0a: 141.9kN \| Nut OD D: 90mm \| Flange D1: 146mm \| Nut Length L1: 110mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
SBK5030-7.6		THK SBK5030-7.6, φ50 Lead30, Ca=66.5kN \| Shaft Diameter: φ50mm \| Lead: 30mm \| Ca: 66.5kN \| C0a: 135.0kN \| Nut OD D: 90mm \| Flange D1: 146mm \| Nut Length L1: 149mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
SBK5036-7.6		THK SBK5036-7.6, φ50 Lead36, Ca=65.9kN \| Shaft Diameter: φ50mm \| Lead: 36mm \| Ca: 65.9kN \| C0a: 135.0kN \| Nut OD D: 90mm \| Flange D1: 146mm \| Nut Length L1: 172mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
SBK5050-5.6		THK SBK5050-5.6, φ50 Lead50, Ca=50.3kN \| Shaft Diameter: φ50mm \| Lead: 50mm \| Ca: 50.3kN \| C0a: 102.4kN \| Nut OD D: 90mm \| Flange D1: 146mm \| Nut Length L1: 175mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
SBK5520-7.6		THK SBK5520-7.6, φ55 Lead20, Ca=69.8kN \| Shaft Diameter: φ55mm \| Lead: 20mm \| Ca: 69.8kN \| C0a: 156.4kN \| Nut OD D: 96mm \| Flange D1: 152mm \| Nut Length L1: 110mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
SBK5530-7.6		THK SBK5530-7.6, φ55 Lead30, Ca=69.2kN \| Shaft Diameter: φ55mm \| Lead: 30mm \| Ca: 69.2kN \| C0a: 147.0kN \| Nut OD D: 96mm \| Flange D1: 152mm \| Nut Length L1: 149mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
SBK5536-7.6		THK SBK5536-7.6, φ55 Lead36, Ca=69.1kN \| Shaft Diameter: φ55mm \| Lead: 36mm \| Ca: 69.1kN \| C0a: 148.7kN \| Nut OD D: 96mm \| Flange D1: 152mm \| Nut Length L1: 172mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)

Ball ScrewsTHK

12 product codes available in this family

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THK SBK Ball Screw (Medium Type, φ36~55, Ball Retainer)

Brand THK·Ball Screws

Available part numbers (12)

SBK3620-7.6, SBK3636-5.6, SBK4020-7.6, SBK4030-7.6, SBK4040-5.6, SBK5020-7.6, SBK5030-7.6, SBK5036-7.6, SBK5050-5.6, SBK5520-7.6 + 2 more — see full table ↓

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Send the THK part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications

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RFQ List (0)

	Product code	Spec
	SBK3620-7.6	THK SBK3620-7.6, φ36 Lead20, Ca=48.5kN \| Shaft Diameter: φ36mm \| Lead: 20mm \| Ca: 48.5kN \| C0a: 85.0kN \| Nut OD D: 73mm \| Flange D1: 114mm \| Nut Length L1: 110mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
	SBK3636-5.6	THK SBK3636-5.6, φ36 Lead36, Ca=36.6kN \| Shaft Diameter: φ36mm \| Lead: 36mm \| Ca: 36.6kN \| C0a: 64.7kN \| Nut OD D: 73mm \| Flange D1: 114mm \| Nut Length L1: 134mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
	SBK4020-7.6	THK SBK4020-7.6, φ40 Lead20, Ca=59.7kN \| Shaft Diameter: φ40mm \| Lead: 20mm \| Ca: 59.7kN \| C0a: 112.7kN \| Nut OD D: 80mm \| Flange D1: 136mm \| Nut Length L1: 110mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
	SBK4030-7.6	THK SBK4030-7.6, φ40 Lead30, Ca=59.2kN \| Shaft Diameter: φ40mm \| Lead: 30mm \| Ca: 59.2kN \| C0a: 107.5kN \| Nut OD D: 80mm \| Flange D1: 136mm \| Nut Length L1: 148mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
	SBK4040-5.6	THK SBK4040-5.6, φ40 Lead40, Ca=44.8kN \| Shaft Diameter: φ40mm \| Lead: 40mm \| Ca: 44.8kN \| C0a: 80.3kN \| Nut OD D: 80mm \| Flange D1: 136mm \| Nut Length L1: 146mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
	SBK5020-7.6	THK SBK5020-7.6, φ50 Lead20, Ca=66.8kN \| Shaft Diameter: φ50mm \| Lead: 20mm \| Ca: 66.8kN \| C0a: 141.9kN \| Nut OD D: 90mm \| Flange D1: 146mm \| Nut Length L1: 110mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
	SBK5030-7.6	THK SBK5030-7.6, φ50 Lead30, Ca=66.5kN \| Shaft Diameter: φ50mm \| Lead: 30mm \| Ca: 66.5kN \| C0a: 135.0kN \| Nut OD D: 90mm \| Flange D1: 146mm \| Nut Length L1: 149mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
	SBK5036-7.6	THK SBK5036-7.6, φ50 Lead36, Ca=65.9kN \| Shaft Diameter: φ50mm \| Lead: 36mm \| Ca: 65.9kN \| C0a: 135.0kN \| Nut OD D: 90mm \| Flange D1: 146mm \| Nut Length L1: 172mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
	SBK5050-5.6	THK SBK5050-5.6, φ50 Lead50, Ca=50.3kN \| Shaft Diameter: φ50mm \| Lead: 50mm \| Ca: 50.3kN \| C0a: 102.4kN \| Nut OD D: 90mm \| Flange D1: 146mm \| Nut Length L1: 175mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
	SBK5520-7.6	THK SBK5520-7.6, φ55 Lead20, Ca=69.8kN \| Shaft Diameter: φ55mm \| Lead: 20mm \| Ca: 69.8kN \| C0a: 156.4kN \| Nut OD D: 96mm \| Flange D1: 152mm \| Nut Length L1: 110mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
	SBK5530-7.6	THK SBK5530-7.6, φ55 Lead30, Ca=69.2kN \| Shaft Diameter: φ55mm \| Lead: 30mm \| Ca: 69.2kN \| C0a: 147.0kN \| Nut OD D: 96mm \| Flange D1: 152mm \| Nut Length L1: 149mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)
	SBK5536-7.6	THK SBK5536-7.6, φ55 Lead36, Ca=69.1kN \| Shaft Diameter: φ55mm \| Lead: 36mm \| Ca: 69.1kN \| C0a: 148.7kN \| Nut OD D: 96mm \| Flange D1: 152mm \| Nut Length L1: 172mm \| DN Value: 210,000 \| Size: Medium \| Type: High-Speed, Ball Retainer (SBK)

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THK SBK Ball Screw (Medium Type, φ36~55, Ball Retainer)