• NSK NH Series Square Linear Guide Blocks (AN, BN, AL, BL)
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NSK NH Series Square Linear Guide Blocks (AN, BN, AL, BL)

NSK NH Series Square Linear Guide Blocks (AN, BN, AL, BL)

NSK NH series high-load linear guides with square blocks: AN standard, BN long, and low-profile AL / BL versions, sizes 15 to 65.

Key features

  • Ball recirculating linear guide with new-generation durability
  • Rated life about twice that of the SH/LH series it succeeds
  • Random-matching blocks and rails interchangeable within a size
  • NSK K1 lubrication unit option for long-term maintenance-free use
  • Stainless steel versions available
  • Basic load ratings to ISO 14728-1/-2

Specifications

Series NH
Block types AN, BN (standard); AL, BL (low)
Sizes 15 - 65
Load rating C50 per ISO 14728
Source NSK Linear Guides NH/NS Series, p. 8-11
NH15AN Rail W: 15 mm | Height H: 28 mm | Block W x L: 34 x 55 mm | C50: 14,200 N | C0: 20,700 N | Mass: 0.18 kg
NH15BN Rail W: 15 mm | Height H: 28 mm | Block W x L: 34 x 74 mm | C50: 18,100 N | C0: 32,000 N | Mass: 0.26 kg
NH20AN Rail W: 20 mm | Height H: 30 mm | Block W x L: 44 x 69.8 mm | C50: 23,700 N | C0: 32,500 N | Mass: 0.33 kg
NH20BN Rail W: 20 mm | Height H: 30 mm | Block W x L: 44 x 91.8 mm | C50: 30,000 N | C0: 50,500 N | Mass: 0.48 kg
NH25AN Rail W: 23 mm | Height H: 40 mm | Block W x L: 48 x 79 mm | C50: 33,500 N | C0: 46,000 N | Mass: 0.55 kg
NH25BN Rail W: 23 mm | Height H: 40 mm | Block W x L: 48 x 107 mm | C50: 45,500 N | C0: 71,000 N | Mass: 0.82 kg
NH30AN Rail W: 28 mm | Height H: 45 mm | Block W x L: 60 x 85.6 mm | C50: 41,000 N | C0: 51,500 N | Mass: 0.77 kg
NH30BN Rail W: 28 mm | Height H: 45 mm | Block W x L: 60 x 124.6 mm | C50: 61,000 N | C0: 91,500 N | Mass: 1.3 kg
NH35AN Rail W: 34 mm | Height H: 55 mm | Block W x L: 70 x 109 mm | C50: 62,500 N | C0: 80,500 N | Mass: 1.5 kg
NH35BN Rail W: 34 mm | Height H: 55 mm | Block W x L: 70 x 143 mm | C50: 81,000 N | C0: 117,000 N | Mass: 2.1 kg
NH45AN Rail W: 45 mm | Height H: 70 mm | Block W x L: 86 x 139 mm | C50: 107,000 N | C0: 140,000 N | Mass: 3.0 kg
NH45BN Rail W: 45 mm | Height H: 70 mm | Block W x L: 86 x 171 mm | C50: 131,000 N | C0: 187,000 N | Mass: 3.9 kg
NH55AN Rail W: 53 mm | Height H: 80 mm | Block W x L: 100 x 163 mm | C50: 158,000 N | C0: 198,000 N | Mass: 4.7 kg
NH55BN Rail W: 53 mm | Height H: 80 mm | Block W x L: 100 x 201 mm | C50: 193,000 N | C0: 264,000 N | Mass: 6.1 kg
NH65AN Rail W: 63 mm | Height H: 90 mm | Block W x L: 126 x 193 mm | C50: 239,000 N | C0: 281,000 N | Mass: 7.7 kg
NH65BN Rail W: 63 mm | Height H: 90 mm | Block W x L: 126 x 253 mm | C50: 310,000 N | C0: 410,000 N | Mass: 10.8 kg
NH25AL Rail W: 23 mm | Height H: 36 mm | Block W x L: 48 x 79 mm | C50: 33,500 N | C0: 46,000 N | Mass: 0.46 kg
NH25BL Rail W: 23 mm | Height H: 36 mm | Block W x L: 48 x 107 mm | C50: 45,500 N | C0: 71,000 N | Mass: 0.69 kg
NH30AL Rail W: 28 mm | Height H: 42 mm | Block W x L: 60 x 85.6 mm | C50: 41,000 N | C0: 51,500 N | Mass: 0.69 kg
NH30BL Rail W: 28 mm | Height H: 42 mm | Block W x L: 60 x 124.6 mm | C50: 61,000 N | C0: 91,500 N | Mass: 1.16 kg
NH35AL Rail W: 34 mm | Height H: 48 mm | Block W x L: 70 x 109 mm | C50: 62,500 N | C0: 80,500 N | Mass: 1.2 kg
NH35BL Rail W: 34 mm | Height H: 48 mm | Block W x L: 70 x 143 mm | C50: 81,000 N | C0: 117,000 N | Mass: 1.7 kg
NH45AL Rail W: 45 mm | Height H: 60 mm | Block W x L: 86 x 139 mm | C50: 107,000 N | C0: 140,000 N | Mass: 2.2 kg
NH45BL Rail W: 45 mm | Height H: 60 mm | Block W x L: 86 x 171 mm | C50: 131,000 N | C0: 187,000 N | Mass: 2.9 kg
NH55AL Rail W: 53 mm | Height H: 70 mm | Block W x L: 100 x 163 mm | C50: 158,000 N | C0: 198,000 N | Mass: 3.7 kg
NH55BL Rail W: 53 mm | Height H: 70 mm | Block W x L: 100 x 201 mm | C50: 193,000 N | C0: 264,000 N | Mass: 4.7 kg
Linear GuidesNSK
26 product codes available in this family
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NSK NH Series Square Linear Guide Blocks (AN, BN, AL, BL)

Brand NSK·Linear Guides

Available part numbers (26)

NH15AN, NH15BN, NH20AN, NH20BN, NH25AN, NH25BN, NH30AN, NH30BN, NH35AN, NH35BN + 16 more — see full table ↓

How to order

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Product codes & specifications
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Product codeSpec
NH15ANRail W: 15 mm | Height H: 28 mm | Block W x L: 34 x 55 mm | C50: 14,200 N | C0: 20,700 N | Mass: 0.18 kg
NH15BNRail W: 15 mm | Height H: 28 mm | Block W x L: 34 x 74 mm | C50: 18,100 N | C0: 32,000 N | Mass: 0.26 kg
NH20ANRail W: 20 mm | Height H: 30 mm | Block W x L: 44 x 69.8 mm | C50: 23,700 N | C0: 32,500 N | Mass: 0.33 kg
NH20BNRail W: 20 mm | Height H: 30 mm | Block W x L: 44 x 91.8 mm | C50: 30,000 N | C0: 50,500 N | Mass: 0.48 kg
NH25ANRail W: 23 mm | Height H: 40 mm | Block W x L: 48 x 79 mm | C50: 33,500 N | C0: 46,000 N | Mass: 0.55 kg
NH25BNRail W: 23 mm | Height H: 40 mm | Block W x L: 48 x 107 mm | C50: 45,500 N | C0: 71,000 N | Mass: 0.82 kg
NH30ANRail W: 28 mm | Height H: 45 mm | Block W x L: 60 x 85.6 mm | C50: 41,000 N | C0: 51,500 N | Mass: 0.77 kg
NH30BNRail W: 28 mm | Height H: 45 mm | Block W x L: 60 x 124.6 mm | C50: 61,000 N | C0: 91,500 N | Mass: 1.3 kg
NH35ANRail W: 34 mm | Height H: 55 mm | Block W x L: 70 x 109 mm | C50: 62,500 N | C0: 80,500 N | Mass: 1.5 kg
NH35BNRail W: 34 mm | Height H: 55 mm | Block W x L: 70 x 143 mm | C50: 81,000 N | C0: 117,000 N | Mass: 2.1 kg
NH45ANRail W: 45 mm | Height H: 70 mm | Block W x L: 86 x 139 mm | C50: 107,000 N | C0: 140,000 N | Mass: 3.0 kg
NH45BNRail W: 45 mm | Height H: 70 mm | Block W x L: 86 x 171 mm | C50: 131,000 N | C0: 187,000 N | Mass: 3.9 kg
NH55ANRail W: 53 mm | Height H: 80 mm | Block W x L: 100 x 163 mm | C50: 158,000 N | C0: 198,000 N | Mass: 4.7 kg
NH55BNRail W: 53 mm | Height H: 80 mm | Block W x L: 100 x 201 mm | C50: 193,000 N | C0: 264,000 N | Mass: 6.1 kg
NH65ANRail W: 63 mm | Height H: 90 mm | Block W x L: 126 x 193 mm | C50: 239,000 N | C0: 281,000 N | Mass: 7.7 kg
NH65BNRail W: 63 mm | Height H: 90 mm | Block W x L: 126 x 253 mm | C50: 310,000 N | C0: 410,000 N | Mass: 10.8 kg
NH25ALRail W: 23 mm | Height H: 36 mm | Block W x L: 48 x 79 mm | C50: 33,500 N | C0: 46,000 N | Mass: 0.46 kg
NH25BLRail W: 23 mm | Height H: 36 mm | Block W x L: 48 x 107 mm | C50: 45,500 N | C0: 71,000 N | Mass: 0.69 kg
NH30ALRail W: 28 mm | Height H: 42 mm | Block W x L: 60 x 85.6 mm | C50: 41,000 N | C0: 51,500 N | Mass: 0.69 kg
NH30BLRail W: 28 mm | Height H: 42 mm | Block W x L: 60 x 124.6 mm | C50: 61,000 N | C0: 91,500 N | Mass: 1.16 kg
NH35ALRail W: 34 mm | Height H: 48 mm | Block W x L: 70 x 109 mm | C50: 62,500 N | C0: 80,500 N | Mass: 1.2 kg
NH35BLRail W: 34 mm | Height H: 48 mm | Block W x L: 70 x 143 mm | C50: 81,000 N | C0: 117,000 N | Mass: 1.7 kg
NH45ALRail W: 45 mm | Height H: 60 mm | Block W x L: 86 x 139 mm | C50: 107,000 N | C0: 140,000 N | Mass: 2.2 kg
NH45BLRail W: 45 mm | Height H: 60 mm | Block W x L: 86 x 171 mm | C50: 131,000 N | C0: 187,000 N | Mass: 2.9 kg
NH55ALRail W: 53 mm | Height H: 70 mm | Block W x L: 100 x 163 mm | C50: 158,000 N | C0: 198,000 N | Mass: 3.7 kg
NH55BLRail W: 53 mm | Height H: 70 mm | Block W x L: 100 x 201 mm | C50: 193,000 N | C0: 264,000 N | Mass: 4.7 kg

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