Shanghai Pump Valve Manufacturing Co., Ltd.

Super Precision Bearings

7921CTRDUMP3 NSK Super Precision Bearings: r1,2 min. : 1.5 mm; d1 : 212 mm

7921A5TRSUMP3 NSK Super Precision Bearings: Cap bolt, SAE grade : 8; h : 57.15 mm

7921A5TRSULP3 NSK Super Precision Bearings: Oil Speed Rating n2 : 6300 rpm; d : 50.000 mm

7921A5TRDUMP3 NSK Super Precision Bearings: Da min. : 35.2 mm; d : 25.4 mm

7921A5TRDULP3 NSK Super Precision Bearings: Accessories : One Shield; Grease Speed Rating Open/Shielded n1 : 5700 rpm

75BER10STSULP3 NSK Super Precision Bearings: r2 min. : 1 mm; Specific static load factor K0 : 500 N/mm²

75BER10XTV1VSUELP3 NSK Super Precision Bearings: d1 ≈ : 412 mm; Mass bearing : 195 kg

7221CTRSUMP3 NSK Super Precision Bearings: da min. : 45 mm; Static moment stiffness : 400 N·m/mrad

7221CTRSULP3 NSK Super Precision Bearings: Basic Dynamic Radial Load Rating C : 4620 N; B : 8.00 mm

7221CTRDULP3 NSK Super Precision Bearings: Dynamic (Ca) : 59.6 kN; Pu : 5.880 kN

7221CTRDUMP3 NSK Super Precision Bearings: Limiting speed : 12000 r/min; E : 45 mm

7221A5TRSUMP3 NSK Super Precision Bearings: B : 32 mm; Recommended tightening torque : 14.2 N·m

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