• WON ST Super Ball Bushing SB Series, Asia Series Closed Type
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WON ST Super Ball Bushing SB Series, Asia Series Closed Type

WON ST Super Ball Bushing SB Series, Asia Series Closed Type

Closed-type self-aligning super ball bushing of the Asia series, available without seal, with one seal or with seals on both sides.

Key features

  • Self-aligning 0.5 deg for even ball load distribution
  • About 3 times the dynamic load rating of a general ball bushing of the same size
  • Light, wear-resistant polyamide outer sleeve and retainer for smooth, low-noise running
  • Precision-ground hardened steel load plates

Specifications

Series Asia
Type Closed
SB16 Seal: No seal | Shaft diameter d: 16 mm | Outer diameter D: 28 mm | Length B: 37 mm | B1: 26.5 mm | B2: 1.6 mm | D1: 27 mm | Ball rows: 5 | C (dynamic): 1240 N | C0 (static): 800 N | Mass: 34 g
SB16U Seal: Seal on one side | Shaft diameter d: 16 mm | Outer diameter D: 28 mm | Length B: 37 mm | B1: 26.5 mm | B2: 1.6 mm | D1: 27 mm | Ball rows: 5 | C (dynamic): 1240 N | C0 (static): 800 N | Mass: 34 g
SB16UU Seal: Seals on both sides | Shaft diameter d: 16 mm | Outer diameter D: 28 mm | Length B: 37 mm | B1: 26.5 mm | B2: 1.6 mm | D1: 27 mm | Ball rows: 5 | C (dynamic): 1240 N | C0 (static): 800 N | Mass: 34 g
SB20 Seal: No seal | Shaft diameter d: 20 mm | Outer diameter D: 32 mm | Length B: 42 mm | B1: 30.5 mm | B2: 1.6 mm | D1: 30.5 mm | Ball rows: 6 | C (dynamic): 2280 N | C0 (static): 1400 N | Mass: 58 g
SB20U Seal: Seal on one side | Shaft diameter d: 20 mm | Outer diameter D: 32 mm | Length B: 42 mm | B1: 30.5 mm | B2: 1.6 mm | D1: 30.5 mm | Ball rows: 6 | C (dynamic): 2280 N | C0 (static): 1400 N | Mass: 58 g
SB20UU Seal: Seals on both sides | Shaft diameter d: 20 mm | Outer diameter D: 32 mm | Length B: 42 mm | B1: 30.5 mm | B2: 1.6 mm | D1: 30.5 mm | Ball rows: 6 | C (dynamic): 2280 N | C0 (static): 1400 N | Mass: 58 g
SB25 Seal: No seal | Shaft diameter d: 25 mm | Outer diameter D: 40 mm | Length B: 59 mm | B1: 44 mm | B2: 1.9 mm | D1: 38.5 mm | Ball rows: 6 | C (dynamic): 3980 N | C0 (static): 2465 N | Mass: 120 g
SB25U Seal: Seal on one side | Shaft diameter d: 25 mm | Outer diameter D: 40 mm | Length B: 59 mm | B1: 44 mm | B2: 1.9 mm | D1: 38.5 mm | Ball rows: 6 | C (dynamic): 3980 N | C0 (static): 2465 N | Mass: 120 g
SB25UU Seal: Seals on both sides | Shaft diameter d: 25 mm | Outer diameter D: 40 mm | Length B: 59 mm | B1: 44 mm | B2: 1.9 mm | D1: 38.5 mm | Ball rows: 6 | C (dynamic): 3980 N | C0 (static): 2465 N | Mass: 120 g
SB30 Seal: No seal | Shaft diameter d: 30 mm | Outer diameter D: 45 mm | Length B: 64 mm | B1: 48 mm | B2: 1.7 mm | D1: 43 mm | Ball rows: 6 | C (dynamic): 4420 N | C0 (static): 2800 N | Mass: 148 g
SB30U Seal: Seal on one side | Shaft diameter d: 30 mm | Outer diameter D: 45 mm | Length B: 64 mm | B1: 48 mm | B2: 1.7 mm | D1: 43 mm | Ball rows: 6 | C (dynamic): 4420 N | C0 (static): 2800 N | Mass: 148 g
SB30UU Seal: Seals on both sides | Shaft diameter d: 30 mm | Outer diameter D: 45 mm | Length B: 64 mm | B1: 48 mm | B2: 1.7 mm | D1: 43 mm | Ball rows: 6 | C (dynamic): 4420 N | C0 (static): 2800 N | Mass: 148 g
SB40 Seal: No seal | Shaft diameter d: 40 mm | Outer diameter D: 60 mm | Length B: 80 mm | B1: 60.9 mm | B2: 2.05 mm | D1: 58 mm | Ball rows: 6 | C (dynamic): 8980 N | C0 (static): 5460 N | Mass: 314 g
SB40U Seal: Seal on one side | Shaft diameter d: 40 mm | Outer diameter D: 60 mm | Length B: 80 mm | B1: 60.9 mm | B2: 2.05 mm | D1: 58 mm | Ball rows: 6 | C (dynamic): 8980 N | C0 (static): 5460 N | Mass: 314 g
SB40UU Seal: Seals on both sides | Shaft diameter d: 40 mm | Outer diameter D: 60 mm | Length B: 80 mm | B1: 60.9 mm | B2: 2.05 mm | D1: 58 mm | Ball rows: 6 | C (dynamic): 8980 N | C0 (static): 5460 N | Mass: 314 g
Linear BushingsWON ST
15 product codes available in this family
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WON ST Super Ball Bushing SB Series, Asia Series Closed Type

Brand WON ST·Linear Bushings

Available part numbers (15)

SB16, SB16U, SB16UU, SB20, SB20U, SB20UU, SB25, SB25U, SB25UU, SB30 + 5 more — see full table ↓

How to order

Send the WON ST 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 codeSpec
SB16Seal: No seal | Shaft diameter d: 16 mm | Outer diameter D: 28 mm | Length B: 37 mm | B1: 26.5 mm | B2: 1.6 mm | D1: 27 mm | Ball rows: 5 | C (dynamic): 1240 N | C0 (static): 800 N | Mass: 34 g
SB16USeal: Seal on one side | Shaft diameter d: 16 mm | Outer diameter D: 28 mm | Length B: 37 mm | B1: 26.5 mm | B2: 1.6 mm | D1: 27 mm | Ball rows: 5 | C (dynamic): 1240 N | C0 (static): 800 N | Mass: 34 g
SB16UUSeal: Seals on both sides | Shaft diameter d: 16 mm | Outer diameter D: 28 mm | Length B: 37 mm | B1: 26.5 mm | B2: 1.6 mm | D1: 27 mm | Ball rows: 5 | C (dynamic): 1240 N | C0 (static): 800 N | Mass: 34 g
SB20Seal: No seal | Shaft diameter d: 20 mm | Outer diameter D: 32 mm | Length B: 42 mm | B1: 30.5 mm | B2: 1.6 mm | D1: 30.5 mm | Ball rows: 6 | C (dynamic): 2280 N | C0 (static): 1400 N | Mass: 58 g
SB20USeal: Seal on one side | Shaft diameter d: 20 mm | Outer diameter D: 32 mm | Length B: 42 mm | B1: 30.5 mm | B2: 1.6 mm | D1: 30.5 mm | Ball rows: 6 | C (dynamic): 2280 N | C0 (static): 1400 N | Mass: 58 g
SB20UUSeal: Seals on both sides | Shaft diameter d: 20 mm | Outer diameter D: 32 mm | Length B: 42 mm | B1: 30.5 mm | B2: 1.6 mm | D1: 30.5 mm | Ball rows: 6 | C (dynamic): 2280 N | C0 (static): 1400 N | Mass: 58 g
SB25Seal: No seal | Shaft diameter d: 25 mm | Outer diameter D: 40 mm | Length B: 59 mm | B1: 44 mm | B2: 1.9 mm | D1: 38.5 mm | Ball rows: 6 | C (dynamic): 3980 N | C0 (static): 2465 N | Mass: 120 g
SB25USeal: Seal on one side | Shaft diameter d: 25 mm | Outer diameter D: 40 mm | Length B: 59 mm | B1: 44 mm | B2: 1.9 mm | D1: 38.5 mm | Ball rows: 6 | C (dynamic): 3980 N | C0 (static): 2465 N | Mass: 120 g
SB25UUSeal: Seals on both sides | Shaft diameter d: 25 mm | Outer diameter D: 40 mm | Length B: 59 mm | B1: 44 mm | B2: 1.9 mm | D1: 38.5 mm | Ball rows: 6 | C (dynamic): 3980 N | C0 (static): 2465 N | Mass: 120 g
SB30Seal: No seal | Shaft diameter d: 30 mm | Outer diameter D: 45 mm | Length B: 64 mm | B1: 48 mm | B2: 1.7 mm | D1: 43 mm | Ball rows: 6 | C (dynamic): 4420 N | C0 (static): 2800 N | Mass: 148 g
SB30USeal: Seal on one side | Shaft diameter d: 30 mm | Outer diameter D: 45 mm | Length B: 64 mm | B1: 48 mm | B2: 1.7 mm | D1: 43 mm | Ball rows: 6 | C (dynamic): 4420 N | C0 (static): 2800 N | Mass: 148 g
SB30UUSeal: Seals on both sides | Shaft diameter d: 30 mm | Outer diameter D: 45 mm | Length B: 64 mm | B1: 48 mm | B2: 1.7 mm | D1: 43 mm | Ball rows: 6 | C (dynamic): 4420 N | C0 (static): 2800 N | Mass: 148 g
SB40Seal: No seal | Shaft diameter d: 40 mm | Outer diameter D: 60 mm | Length B: 80 mm | B1: 60.9 mm | B2: 2.05 mm | D1: 58 mm | Ball rows: 6 | C (dynamic): 8980 N | C0 (static): 5460 N | Mass: 314 g
SB40USeal: Seal on one side | Shaft diameter d: 40 mm | Outer diameter D: 60 mm | Length B: 80 mm | B1: 60.9 mm | B2: 2.05 mm | D1: 58 mm | Ball rows: 6 | C (dynamic): 8980 N | C0 (static): 5460 N | Mass: 314 g
SB40UUSeal: Seals on both sides | Shaft diameter d: 40 mm | Outer diameter D: 60 mm | Length B: 80 mm | B1: 60.9 mm | B2: 2.05 mm | D1: 58 mm | Ball rows: 6 | C (dynamic): 8980 N | C0 (static): 5460 N | Mass: 314 g

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