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[THK] — RU Cross Roller Ring (Integrated Inner/Outer Ring)
Family ID: THK-RU-CROSS-ROLLER
THK RU-type Cross Roller Ring with integrated inner and outer ring. No housing or flange required. Suitable for inner ring rotation, outer ring rotation, or both. Available in standard, G (grease nipple), and X (inner ring tapped through-hole) variants. Bore range: 20–350 mm.
21 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| RU42 | THK RU 42, d=20mm D=70mm B=12mm, Standard type | THK | Model: RU 42 | Variant: Standard | Bore d: 20 mm | OD D: 70 mm | Roller PCD dp: 41.5 mm | Width B: 12 mm | Lubrication hole d1: φ3.1 mm | r min: 0.6 mm | Dynamic Load C: 7.35 kN | Static Load C0: 8.35 kN | Mass: 0.29 kg | Note: Standard type | ||
| RU66 | THK RU 66, d=35mm D=95mm B=15mm, Standard type | THK | Model: RU 66 | Variant: Standard | Bore d: 35 mm | OD D: 95 mm | Roller PCD dp: 66 mm | Width B: 15 mm | Lubrication hole d1: φ3.1 mm | r min: 0.6 mm | Dynamic Load C: 17.5 kN | Static Load C0: 22.3 kN | Mass: 0.62 kg | Note: Standard type | ||
| RU85 | THK RU 85, d=55mm D=120mm B=15mm, Standard type | THK | Model: RU 85 | Variant: Standard | Bore d: 55 mm | OD D: 120 mm | Roller PCD dp: 85 mm | Width B: 15 mm | Lubrication hole d1: φ3.1 mm | r min: 0.6 mm | Dynamic Load C: 20.3 kN | Static Load C0: 29.5 kN | Mass: 1.0 kg | Note: Standard type | ||
| RU124 | THK RU 124, d=80mm D=165mm B=22mm, Standard type | THK | Model: RU 124 | Variant: Standard | Bore d: 80 mm | OD D: 165 mm | Roller PCD dp: 124 mm | Width B: 22 mm | Lubrication hole d1: φ3.1 mm | r min: 1.0 mm | Dynamic Load C: 33.1 kN | Static Load C0: 50.9 kN | Mass: 2.6 kg | Note: Standard type | ||
| RU124G | THK RU 124G, d=80mm D=165mm B=22mm, With grease nipple (NP3.2×3.5) | THK | Model: RU 124G | Variant: G (Grease nipple built-in) | Bore d: 80 mm | OD D: 165 mm | Roller PCD dp: 124 mm | Width B: 22 mm | Lubrication hole d1: φ3.1 mm | r min: 1.0 mm | Dynamic Load C: 33.1 kN | Static Load C0: 50.9 kN | Mass: 2.6 kg | Note: With grease nipple (NP3.2×3.5) | ||
| RU124X | THK RU 124X, d=80mm D=165mm B=22mm, Inner ring with tapped through-holes | THK | Model: RU 124X | Variant: X (Inner ring tapped through-hole) | Bore d: 80 mm | OD D: 165 mm | Roller PCD dp: 124 mm | Width B: 22 mm | Lubrication hole d1: φ3.1 mm | r min: 1.0 mm | Dynamic Load C: 33.1 kN | Static Load C0: 50.9 kN | Mass: 2.6 kg | Note: Inner ring with tapped through-holes | ||
| RU148 | THK RU 148, d=90mm D=210mm B=25mm, Standard type | THK | Model: RU 148 | Variant: Standard | Bore d: 90 mm | OD D: 210 mm | Roller PCD dp: 147.5 mm | Width B: 25 mm | Lubrication hole d1: φ3.1 mm | r min: 1.5 mm | Dynamic Load C: 49.1 kN | Static Load C0: 76.8 kN | Mass: 4.9 kg | Note: Standard type | ||
| RU148G | THK RU 148G, d=90mm D=210mm B=25mm, With grease nipple (NP3.2×3.5) | THK | Model: RU 148G | Variant: G (Grease nipple built-in) | Bore d: 90 mm | OD D: 210 mm | Roller PCD dp: 147.5 mm | Width B: 25 mm | Lubrication hole d1: φ3.1 mm | r min: 1.5 mm | Dynamic Load C: 49.1 kN | Static Load C0: 76.8 kN | Mass: 4.9 kg | Note: With grease nipple (NP3.2×3.5) | ||
| RU148X | THK RU 148X, d=90mm D=210mm B=25mm, Inner ring with tapped through-holes | THK | Model: RU 148X | Variant: X (Inner ring tapped through-hole) | Bore d: 90 mm | OD D: 210 mm | Roller PCD dp: 147.5 mm | Width B: 25 mm | Lubrication hole d1: φ3.1 mm | r min: 1.5 mm | Dynamic Load C: 49.1 kN | Static Load C0: 76.8 kN | Mass: 4.9 kg | Note: Inner ring with tapped through-holes | ||
| RU178 | THK RU 178, d=115mm D=240mm B=28mm, Standard type | THK | Model: RU 178 | Variant: Standard | Bore d: 115 mm | OD D: 240 mm | Roller PCD dp: 178 mm | Width B: 28 mm | Lubrication hole d1: φ3.1 mm | r min: 1.5 mm | Dynamic Load C: 80.3 kN | Static Load C0: 135 kN | Mass: 6.8 kg | Note: Standard type | ||
| RU178G | THK RU 178G, d=115mm D=240mm B=28mm, With grease nipple (NP3.2×3.5) | THK | Model: RU 178G | Variant: G (Grease nipple built-in) | Bore d: 115 mm | OD D: 240 mm | Roller PCD dp: 178 mm | Width B: 28 mm | Lubrication hole d1: φ3.1 mm | r min: 1.5 mm | Dynamic Load C: 80.3 kN | Static Load C0: 135 kN | Mass: 6.8 kg | Note: With grease nipple (NP3.2×3.5) | ||
| RU178X | THK RU 178X, d=115mm D=240mm B=28mm, Inner ring with tapped through-holes | THK | Model: RU 178X | Variant: X (Inner ring tapped through-hole) | Bore d: 115 mm | OD D: 240 mm | Roller PCD dp: 178 mm | Width B: 28 mm | Lubrication hole d1: φ3.1 mm | r min: 1.5 mm | Dynamic Load C: 80.3 kN | Static Load C0: 135 kN | Mass: 6.8 kg | Note: Inner ring with tapped through-holes | ||
| RU228 | THK RU 228, d=160mm D=295mm B=35mm, Standard type | THK | Model: RU 228 | Variant: Standard | Bore d: 160 mm | OD D: 295 mm | Roller PCD dp: 227.5 mm | Width B: 35 mm | Lubrication hole d1: φ6.0 mm | r min: 2.0 mm | Dynamic Load C: 104 kN | Static Load C0: 173 kN | Mass: 11.4 kg | Note: Standard type | ||
| RU228G | THK RU 228G, d=160mm D=295mm B=35mm, With grease nipple (NP6×5) | THK | Model: RU 228G | Variant: G (Grease nipple built-in) | Bore d: 160 mm | OD D: 295 mm | Roller PCD dp: 227.5 mm | Width B: 35 mm | Lubrication hole d1: φ6.0 mm | r min: 2.0 mm | Dynamic Load C: 104 kN | Static Load C0: 173 kN | Mass: 11.4 kg | Note: With grease nipple (NP6×5) | ||
| RU228X | THK RU 228X, d=160mm D=295mm B=35mm, Inner ring with tapped through-holes | THK | Model: RU 228X | Variant: X (Inner ring tapped through-hole) | Bore d: 160 mm | OD D: 295 mm | Roller PCD dp: 227.5 mm | Width B: 35 mm | Lubrication hole d1: φ6.0 mm | r min: 2.0 mm | Dynamic Load C: 104 kN | Static Load C0: 173 kN | Mass: 11.4 kg | Note: Inner ring with tapped through-holes | ||
| RU297 | THK RU 297, d=210mm D=380mm B=40mm, Standard type | THK | Model: RU 297 | Variant: Standard | Bore d: 210 mm | OD D: 380 mm | Roller PCD dp: 297.3 mm | Width B: 40 mm | Lubrication hole d1: φ6.0 mm | r min: 2.5 mm | Dynamic Load C: 156 kN | Static Load C0: 281 kN | Mass: 21.3 kg | Note: Standard type | ||
| RU297G | THK RU 297G, d=210mm D=380mm B=40mm, With grease nipple (NP6×5) | THK | Model: RU 297G | Variant: G (Grease nipple built-in) | Bore d: 210 mm | OD D: 380 mm | Roller PCD dp: 297.3 mm | Width B: 40 mm | Lubrication hole d1: φ6.0 mm | r min: 2.5 mm | Dynamic Load C: 156 kN | Static Load C0: 281 kN | Mass: 21.3 kg | Note: With grease nipple (NP6×5) | ||
| RU297X | THK RU 297X, d=210mm D=380mm B=40mm, Inner ring with tapped through-holes | THK | Model: RU 297X | Variant: X (Inner ring tapped through-hole) | Bore d: 210 mm | OD D: 380 mm | Roller PCD dp: 297.3 mm | Width B: 40 mm | Lubrication hole d1: φ6.0 mm | r min: 2.5 mm | Dynamic Load C: 156 kN | Static Load C0: 281 kN | Mass: 21.3 kg | Note: Inner ring with tapped through-holes | ||
| RU445 | THK RU 445, d=350mm D=540mm B=45mm, Standard type | THK | Model: RU 445 | Variant: Standard | Bore d: 350 mm | OD D: 540 mm | Roller PCD dp: 445.4 mm | Width B: 45 mm | Lubrication hole d1: φ6.0 mm | r min: 2.5 mm | Dynamic Load C: 222 kN | Static Load C0: 473 kN | Mass: 35.4 kg | Note: Standard type | ||
| RU445G | THK RU 445G, d=350mm D=540mm B=45mm, With grease nipple (NP6×5) | THK | Model: RU 445G | Variant: G (Grease nipple built-in) | Bore d: 350 mm | OD D: 540 mm | Roller PCD dp: 445.4 mm | Width B: 45 mm | Lubrication hole d1: φ6.0 mm | r min: 2.5 mm | Dynamic Load C: 222 kN | Static Load C0: 473 kN | Mass: 35.4 kg | Note: With grease nipple (NP6×5) | ||
| RU445X | THK RU 445X, d=350mm D=540mm B=45mm, Inner ring with tapped through-holes | THK | Model: RU 445X | Variant: X (Inner ring tapped through-hole) | Bore d: 350 mm | OD D: 540 mm | Roller PCD dp: 445.4 mm | Width B: 45 mm | Lubrication hole d1: φ6.0 mm | r min: 2.5 mm | Dynamic Load C: 222 kN | Static Load C0: 473 kN | Mass: 35.4 kg | Note: Inner ring with tapped through-holes |
