[THK] — Non-Separable Needle Roller Bearing NART-R (Spherical Type)
Roller Guides THK

[THK] — Non-Separable Needle Roller Bearing NART-R (Spherical Type)

Family ID: THK-NART-R

THK NART-R type Non-Separable Needle Roller Bearing with spherical outer ring. Side plates fixed to inner ring; non-separable construction. Spherical outer ring reduces eccentric loading. Cage or full-complement needle roller (V) options. Inner diameter di = 5~50mm, outer diameter D = 16~90mm. NART45R: carbon steel only. Options: M (stainless, except NART45R), V (full needle), UU (seal). Spherical radius: R500 (NART17R or smaller) / R1000 (NART20R or larger).

14 product codes available in this family

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Product Codes & Specifications

Product Code Description Brand Spec
NART5R THK Non-Separable Needle Bearing NART5R, di=5mm, D=16mm, C(cage)=2.84kN THK Inner Diameter (di): 5 mm | Outer Diameter (D): 16 mm | Width (B): 12 mm | Effective Width (C): 11 mm | Outer Ring Type: Spherical only | Spherical Radius: R500 | Basic Dynamic Load Rating C (cage): 2.84 kN | Basic Static Load Rating C0 (cage): 2.65 kN | Basic Dynamic Load Rating C (full needle): 6.46 kN | Basic Static Load Rating C0 (full needle): 7.81 kN | Track Load Capacity (spherical outer ring): 1.08 kN | Limit Speed (cage): 25000 min⁻¹ | Limit Speed (full needle): 10500 min⁻¹ | Mass (cage): 14.5 g | Mass (full needle): 15.1 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART6R THK Non-Separable Needle Bearing NART6R, di=6mm, D=19mm, C(cage)=3.33kN THK Inner Diameter (di): 6 mm | Outer Diameter (D): 19 mm | Width (B): 12 mm | Effective Width (C): 11 mm | Outer Ring Type: Spherical only | Spherical Radius: R500 | Basic Dynamic Load Rating C (cage): 3.33 kN | Basic Static Load Rating C0 (cage): 3.35 kN | Basic Dynamic Load Rating C (full needle): 7.58 kN | Basic Static Load Rating C0 (full needle): 10.2 kN | Track Load Capacity (spherical outer ring): 1.37 kN | Limit Speed (cage): 20000 min⁻¹ | Limit Speed (full needle): 8700 min⁻¹ | Mass (cage): 20.5 g | Mass (full needle): 21.5 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART8R THK Non-Separable Needle Bearing NART8R, di=8mm, D=24mm, C(cage)=5.68kN THK Inner Diameter (di): 8 mm | Outer Diameter (D): 24 mm | Width (B): 15 mm | Effective Width (C): 14 mm | Outer Ring Type: Spherical only | Spherical Radius: R500 | Basic Dynamic Load Rating C (cage): 5.68 kN | Basic Static Load Rating C0 (cage): 5.89 kN | Basic Dynamic Load Rating C (full needle): 11.7 kN | Basic Static Load Rating C0 (full needle): 15.6 kN | Track Load Capacity (spherical outer ring): 1.86 kN | Limit Speed (cage): 17000 min⁻¹ | Limit Speed (full needle): 7000 min⁻¹ | Mass (cage): 41.5 g | Mass (full needle): 42.5 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART10R THK Non-Separable Needle Bearing NART10R, di=10mm, D=30mm, C(cage)=7.94kN THK Inner Diameter (di): 10 mm | Outer Diameter (D): 30 mm | Width (B): 15 mm | Effective Width (C): 14 mm | Outer Ring Type: Spherical only | Spherical Radius: R500 | Basic Dynamic Load Rating C (cage): 7.94 kN | Basic Static Load Rating C0 (cage): 7.59 kN | Basic Dynamic Load Rating C (full needle): 15.8 kN | Basic Static Load Rating C0 (full needle): 18.5 kN | Track Load Capacity (spherical outer ring): 2.45 kN | Limit Speed (cage): 15000 min⁻¹ | Limit Speed (full needle): 5700 min⁻¹ | Mass (cage): 64.5 g | Mass (full needle): 66.5 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART12R THK Non-Separable Needle Bearing NART12R, di=12mm, D=32mm, C(cage)=8.53kN THK Inner Diameter (di): 12 mm | Outer Diameter (D): 32 mm | Width (B): 15 mm | Effective Width (C): 14 mm | Outer Ring Type: Spherical only | Spherical Radius: R500 | Basic Dynamic Load Rating C (cage): 8.53 kN | Basic Static Load Rating C0 (cage): 8.44 kN | Basic Dynamic Load Rating C (full needle): 17.0 kN | Basic Static Load Rating C0 (full needle): 21.0 kN | Track Load Capacity (spherical outer ring): 2.74 kN | Limit Speed (cage): 13000 min⁻¹ | Limit Speed (full needle): 5200 min⁻¹ | Mass (cage): 71.0 g | Mass (full needle): 73.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART15R THK Non-Separable Needle Bearing NART15R, di=15mm, D=35mm, C(cage)=13.7kN THK Inner Diameter (di): 15 mm | Outer Diameter (D): 35 mm | Width (B): 19 mm | Effective Width (C): 18 mm | Outer Ring Type: Spherical only | Spherical Radius: R500 | Basic Dynamic Load Rating C (cage): 13.7 kN | Basic Static Load Rating C0 (cage): 16.4 kN | Basic Dynamic Load Rating C (full needle): 25.3 kN | Basic Static Load Rating C0 (full needle): 36.9 kN | Track Load Capacity (spherical outer ring): 3.14 kN | Limit Speed (cage): 10000 min⁻¹ | Limit Speed (full needle): 4300 min⁻¹ | Mass (cage): 102.0 g | Mass (full needle): 106.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART17R THK Non-Separable Needle Bearing NART17R, di=17mm, D=40mm, C(cage)=17.4kN THK Inner Diameter (di): 17 mm | Outer Diameter (D): 40 mm | Width (B): 21 mm | Effective Width (C): 20 mm | Outer Ring Type: Spherical only | Spherical Radius: R500 | Basic Dynamic Load Rating C (cage): 17.4 kN | Basic Static Load Rating C0 (cage): 19.3 kN | Basic Dynamic Load Rating C (full needle): 32.0 kN | Basic Static Load Rating C0 (full needle): 46.6 kN | Track Load Capacity (spherical outer ring): 3.72 kN | Limit Speed (cage): 9500 min⁻¹ | Limit Speed (full needle): 3900 min⁻¹ | Mass (cage): 149.0 g | Mass (full needle): 155.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART20R THK Non-Separable Needle Bearing NART20R, di=20mm, D=47mm, C(cage)=22.9kN THK Inner Diameter (di): 20 mm | Outer Diameter (D): 47 mm | Width (B): 25 mm | Effective Width (C): 24 mm | Outer Ring Type: Spherical only | Spherical Radius: R1000 | Basic Dynamic Load Rating C (cage): 22.9 kN | Basic Static Load Rating C0 (cage): 30.6 kN | Basic Dynamic Load Rating C (full needle): 41.7 kN | Basic Static Load Rating C0 (full needle): 67.7 kN | Track Load Capacity (spherical outer ring): 7.15 kN | Limit Speed (cage): 8000 min⁻¹ | Limit Speed (full needle): 3400 min⁻¹ | Mass (cage): 250.0 g | Mass (full needle): 255.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART25R THK Non-Separable Needle Bearing NART25R, di=25mm, D=52mm, C(cage)=24.6kN THK Inner Diameter (di): 25 mm | Outer Diameter (D): 52 mm | Width (B): 25 mm | Effective Width (C): 24 mm | Outer Ring Type: Spherical only | Spherical Radius: R1000 | Basic Dynamic Load Rating C (cage): 24.6 kN | Basic Static Load Rating C0 (cage): 33.3 kN | Basic Dynamic Load Rating C (full needle): 45.4 kN | Basic Static Load Rating C0 (full needle): 79.5 kN | Track Load Capacity (spherical outer ring): 8.23 kN | Limit Speed (cage): 7000 min⁻¹ | Limit Speed (full needle): 3000 min⁻¹ | Mass (cage): 285.0 g | Mass (full needle): 295.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART30R THK Non-Separable Needle Bearing NART30R, di=30mm, D=62mm, C(cage)=33.4kN THK Inner Diameter (di): 30 mm | Outer Diameter (D): 62 mm | Width (B): 29 mm | Effective Width (C): 28 mm | Outer Ring Type: Spherical only | Spherical Radius: R1000 | Basic Dynamic Load Rating C (cage): 33.4 kN | Basic Static Load Rating C0 (cage): 51.4 kN | Basic Dynamic Load Rating C (full needle): 60.0 kN | Basic Static Load Rating C0 (full needle): 111.0 kN | Track Load Capacity (spherical outer ring): 10.5 kN | Limit Speed (cage): 5500 min⁻¹ | Limit Speed (full needle): 2400 min⁻¹ | Mass (cage): 470.0 g | Mass (full needle): 485.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART35R THK Non-Separable Needle Bearing NART35R, di=35mm, D=72mm, C(cage)=35.5kN THK Inner Diameter (di): 35 mm | Outer Diameter (D): 72 mm | Width (B): 29 mm | Effective Width (C): 28 mm | Outer Ring Type: Spherical only | Spherical Radius: R1000 | Basic Dynamic Load Rating C (cage): 35.5 kN | Basic Static Load Rating C0 (cage): 57.3 kN | Basic Dynamic Load Rating C (full needle): 63.2 kN | Basic Static Load Rating C0 (full needle): 123.0 kN | Track Load Capacity (spherical outer ring): 12.9 kN | Limit Speed (cage): 5000 min⁻¹ | Limit Speed (full needle): 2200 min⁻¹ | Mass (cage): 640.0 g | Mass (full needle): 655.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART40R THK Non-Separable Needle Bearing NART40R, di=40mm, D=80mm, C(cage)=44.6kN THK Inner Diameter (di): 40 mm | Outer Diameter (D): 80 mm | Width (B): 32 mm | Effective Width (C): 30 mm | Outer Ring Type: Spherical only | Spherical Radius: R1000 | Basic Dynamic Load Rating C (cage): 44.6 kN | Basic Static Load Rating C0 (cage): 81.4 kN | Basic Dynamic Load Rating C (full needle): 76.4 kN | Basic Static Load Rating C0 (full needle): 166.0 kN | Track Load Capacity (spherical outer ring): 14.9 kN | Limit Speed (cage): 4000 min⁻¹ | Limit Speed (full needle): 1900 min⁻¹ | Mass (cage): 845.0 g | Mass (full needle): 865.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART45R THK Non-Separable Needle Bearing NART45R, di=45mm, D=85mm, C(cage)=46.6kN THK Inner Diameter (di): 45 mm | Outer Diameter (D): 85 mm | Width (B): 32 mm | Effective Width (C): 30 mm | Outer Ring Type: Spherical only | Spherical Radius: R1000 | Basic Dynamic Load Rating C (cage): 46.6 kN | Basic Static Load Rating C0 (cage): 88.6 kN | Basic Dynamic Load Rating C (full needle): 80.5 kN | Basic Static Load Rating C0 (full needle): 183.0 kN | Track Load Capacity (spherical outer ring): 16.1 kN | Limit Speed (cage): 4000 min⁻¹ | Limit Speed (full needle): 1700 min⁻¹ | Mass (cage): 915.0 g | Mass (full needle): 935.0 g | Material: Carbon steel only | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)
NART50R THK Non-Separable Needle Bearing NART50R, di=50mm, D=90mm, C(cage)=48.3kN THK Inner Diameter (di): 50 mm | Outer Diameter (D): 90 mm | Width (B): 32 mm | Effective Width (C): 30 mm | Outer Ring Type: Spherical only | Spherical Radius: R1000 | Basic Dynamic Load Rating C (cage): 48.3 kN | Basic Static Load Rating C0 (cage): 95.7 kN | Basic Dynamic Load Rating C (full needle): 84.4 kN | Basic Static Load Rating C0 (full needle): 200.0 kN | Track Load Capacity (spherical outer ring): 17.3 kN | Limit Speed (cage): 3500 min⁻¹ | Limit Speed (full needle): 1600 min⁻¹ | Mass (cage): 980.0 g | Mass (full needle): 1010.0 g | Material: Carbon steel or stainless (M option) | Options: M=stainless, V=full needle, UU=seal | Type: Non-separable (side plates fixed to inner ring)

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