[THK] — Separable Needle Roller Bearing NAST
Roller Guides THK

[THK] — Separable Needle Roller Bearing NAST

Family ID: THK-NAST

THK NAST type Separable Needle Roller Bearing. Combines thick outer ring, inner ring, and precision cage with needle rollers in a separable bearing system. Inner diameter di = 6~50mm, outer diameter D = 19~90mm. Cylindrical and spherical outer ring (R500) options. NAST45: carbon steel only. Options: M (stainless, except NAST45), R (spherical outer ring R500).

13 product codes available in this family

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Product Codes & Specifications

Product Code Description Brand Spec
NAST6 THK Separable Needle Roller Bearing NAST6, di=6mm, D=19mm, C=4.12kN THK Inner Diameter (di): 6 mm | Inner Contact Diameter (dr): 10 mm | Outer Diameter (D): 19 mm | Width (B): 10 mm | Effective Width (C): 9.8 mm | Basic Dynamic Load Rating C: 4.12 kN | Basic Static Load Rating C0: 4.55 kN | Track Load Capacity (cylindrical): 3.53 kN | Track Load Capacity (spherical): 1.37 kN | Limit Speed: 20000 min⁻¹ | Mass: 17.8 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)
NAST8 THK Separable Needle Roller Bearing NAST8, di=8mm, D=24mm, C=5.68kN THK Inner Diameter (di): 8 mm | Inner Contact Diameter (dr): 12 mm | Outer Diameter (D): 24 mm | Width (B): 10 mm | Effective Width (C): 9.8 mm | Basic Dynamic Load Rating C: 5.68 kN | Basic Static Load Rating C0: 5.89 kN | Track Load Capacity (cylindrical): 4.02 kN | Track Load Capacity (spherical): 1.86 kN | Limit Speed: 17000 min⁻¹ | Mass: 28.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)
NAST10 THK Separable Needle Roller Bearing NAST10, di=10mm, D=30mm, C=9.7kN THK Inner Diameter (di): 10 mm | Inner Contact Diameter (dr): 14 mm | Outer Diameter (D): 30 mm | Width (B): 12 mm | Effective Width (C): 11.8 mm | Basic Dynamic Load Rating C: 9.7 kN | Basic Static Load Rating C0: 9.67 kN | Track Load Capacity (cylindrical): 5.59 kN | Track Load Capacity (spherical): 2.45 kN | Limit Speed: 15000 min⁻¹ | Mass: 50.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)
NAST12 THK Separable Needle Roller Bearing NAST12, di=12mm, D=32mm, C=10.4kN THK Inner Diameter (di): 12 mm | Inner Contact Diameter (dr): 16 mm | Outer Diameter (D): 32 mm | Width (B): 12 mm | Effective Width (C): 11.8 mm | Basic Dynamic Load Rating C: 10.4 kN | Basic Static Load Rating C0: 10.9 kN | Track Load Capacity (cylindrical): 5.98 kN | Track Load Capacity (spherical): 2.74 kN | Limit Speed: 13000 min⁻¹ | Mass: 58.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)
NAST15 THK Separable Needle Roller Bearing NAST15, di=15mm, D=35mm, C=12.3kN THK Inner Diameter (di): 15 mm | Inner Contact Diameter (dr): 20 mm | Outer Diameter (D): 35 mm | Width (B): 12 mm | Effective Width (C): 11.8 mm | Basic Dynamic Load Rating C: 12.3 kN | Basic Static Load Rating C0: 14.3 kN | Track Load Capacity (cylindrical): 6.57 kN | Track Load Capacity (spherical): 3.14 kN | Limit Speed: 10000 min⁻¹ | Mass: 62.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)
NAST17 THK Separable Needle Roller Bearing NAST17, di=17mm, D=40mm, C=17.4kN THK Inner Diameter (di): 17 mm | Inner Contact Diameter (dr): 22 mm | Outer Diameter (D): 40 mm | Width (B): 16 mm | Effective Width (C): 15.8 mm | Basic Dynamic Load Rating C: 17.4 kN | Basic Static Load Rating C0: 20.9 kN | Track Load Capacity (cylindrical): 10.9 kN | Track Load Capacity (spherical): 3.72 kN | Limit Speed: 9500 min⁻¹ | Mass: 110.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)
NAST20 THK Separable Needle Roller Bearing NAST20, di=20mm, D=47mm, C=19.2kN THK Inner Diameter (di): 20 mm | Inner Contact Diameter (dr): 25 mm | Outer Diameter (D): 47 mm | Width (B): 16 mm | Effective Width (C): 15.8 mm | Basic Dynamic Load Rating C: 19.2 kN | Basic Static Load Rating C0: 24.5 kN | Track Load Capacity (cylindrical): 12.7 kN | Track Load Capacity (spherical): 4.61 kN | Limit Speed: 8500 min⁻¹ | Mass: 155.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)
NAST25 THK Separable Needle Roller Bearing NAST25, di=25mm, D=52mm, C=20.7kN THK Inner Diameter (di): 25 mm | Inner Contact Diameter (dr): 30 mm | Outer Diameter (D): 52 mm | Width (B): 16 mm | Effective Width (C): 15.8 mm | Basic Dynamic Load Rating C: 20.7 kN | Basic Static Load Rating C0: 28.4 kN | Track Load Capacity (cylindrical): 14.1 kN | Track Load Capacity (spherical): 5.29 kN | Limit Speed: 7000 min⁻¹ | Mass: 180.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)
NAST30 THK Separable Needle Roller Bearing NAST30, di=30mm, D=62mm, C=30.3kN THK Inner Diameter (di): 30 mm | Inner Contact Diameter (dr): 38 mm | Outer Diameter (D): 62 mm | Width (B): 20 mm | Effective Width (C): 19.8 mm | Basic Dynamic Load Rating C: 30.3 kN | Basic Static Load Rating C0: 45.4 kN | Track Load Capacity (cylindrical): 22.1 kN | Track Load Capacity (spherical): 6.66 kN | Limit Speed: 5500 min⁻¹ | Mass: 320.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)
NAST35 THK Separable Needle Roller Bearing NAST35, di=35mm, D=72mm, C=32.2kN THK Inner Diameter (di): 35 mm | Inner Contact Diameter (dr): 42 mm | Outer Diameter (D): 72 mm | Width (B): 20 mm | Effective Width (C): 19.8 mm | Basic Dynamic Load Rating C: 32.2 kN | Basic Static Load Rating C0: 50.6 kN | Track Load Capacity (cylindrical): 25.7 kN | Track Load Capacity (spherical): 8.13 kN | Limit Speed: 5000 min⁻¹ | Mass: 440.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)
NAST40 THK Separable Needle Roller Bearing NAST40, di=40mm, D=80mm, C=35.7kN THK Inner Diameter (di): 40 mm | Inner Contact Diameter (dr): 50 mm | Outer Diameter (D): 80 mm | Width (B): 20 mm | Effective Width (C): 19.8 mm | Basic Dynamic Load Rating C: 35.7 kN | Basic Static Load Rating C0: 61.6 kN | Track Load Capacity (cylindrical): 26.9 kN | Track Load Capacity (spherical): 9.31 kN | Limit Speed: 4000 min⁻¹ | Mass: 530.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)
NAST45 THK Separable Needle Roller Bearing NAST45, di=45mm, D=85mm, C=37.1kN THK Inner Diameter (di): 45 mm | Inner Contact Diameter (dr): 55 mm | Outer Diameter (D): 85 mm | Width (B): 20 mm | Effective Width (C): 19.8 mm | Basic Dynamic Load Rating C: 37.1 kN | Basic Static Load Rating C0: 66.4 kN | Track Load Capacity (cylindrical): 28.5 kN | Track Load Capacity (spherical): 10.1 kN | Limit Speed: 4000 min⁻¹ | Mass: 580.0 g | Material: Carbon steel only (stainless not available) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)
NAST50 THK Separable Needle Roller Bearing NAST50, di=50mm, D=90mm, C=38.7kN THK Inner Diameter (di): 50 mm | Inner Contact Diameter (dr): 60 mm | Outer Diameter (D): 90 mm | Width (B): 20 mm | Effective Width (C): 19.8 mm | Basic Dynamic Load Rating C: 38.7 kN | Basic Static Load Rating C0: 71.8 kN | Track Load Capacity (cylindrical): 30.2 kN | Track Load Capacity (spherical): 11.0 kN | Limit Speed: 3500 min⁻¹ | Mass: 635.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, R=spherical outer ring (R500) | Type: Separable (thick outer ring + inner ring + cage needle rollers)

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