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Home>Products>NACHI BEARINGS>[QTY 2] S688W4-2RS (8x16x4 mm) CERAMIC 440c S.Steel Ball Bearing 688RSW4

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  • [QTY 2] S688W4-2RS (8x16x4 mm) CERAMIC 440c S.Steel Ball Bearing 688RSW4
  • [QTY 2] S688W4-2RS (8x16x4 mm) CERAMIC 440c S.Steel Ball Bearing 688RSW4

[QTY 2] S688W4-2RS (8x16x4 mm) CERAMIC 440c S.Steel Ball Bearing 688RSW4

  • 1 3/8 in
  • 1.8281 in
  • 4560 lbf
  • 3440 lbf
  • 0.6563 in
  • Stainless Steel
  • 4.6250 in
  • 4.1875 in
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HongKong Royal Machinery Parts Co.,Ltd. 

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Product Details

Shaft Diameter D: 1 3/8 in Height T: 1.8281 in Basic Dynamic Radial Load Rating: 4560 lbf
Basic Static Radial Load Rating Co: 3440 lbf Dimension A2: 0.6563 in Insert Bearing IB: Stainless Steel
Dimension L: 4.6250 in Dimension DA: 4.1875 in Dimension A1: 1.3750 in
Distance J: 3.6250 in

Product Description

d15.000 mm
Oil Speed Rating n215000 rpm
AccessoriesOne Shield & Snap-Ri
B19.1 mm
Grease Speed Rating n111000 rpm
Sealed Speed Rating n311000 rpm
Fillet Radius ra1.00 mm
Basic Static Radial Load Rating Co9300 N
Basic Dynamic Radial Load Rating C15100 N
D42.0000 mm

Documented Solution Program [QTY 2] S688W4-2RS (8x16x4 mm) CERAMIC 440c S.Steel Ball Bearing 688RSW4


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    r3,4 min.:3.3 mm; D:212.725 mm; ra max.:7 mm; Cb min.:12.5 mm; Calculation factor e:0.33; da max.:131 mm; C:53.975 mm; d1 ≈:158.1 mm; T:66.675 mm; Mass bearing:10.1 kg;
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    D2 ≈:6.35 mm; Calculation factor f0:7.1; d:3 mm; da min.:3.7 mm; Basic dynamic load rating C:0.178 kN; D:7 mm; da max.:3.8 mm; r1,2 min.:0.1 mm; B:3 mm; Calculation factor kr:0.02;
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    D2 ≈:6.35 mm; Calculation factor f0:7.1; d:3 mm; da min.:3.7 mm; Basic dynamic load rating C:0.178 kN; D:7 mm; da max.:3.8 mm; r1,2 min.:0.1 mm; B:3 mm; Calculation factor kr:0.02;
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    a:5.556 mm; L:222.25 mm; da:88.9 mm; S:0.794 mm; Mass bearing unit:18.2 kg; Attachment bolt diameter G:4 x 19.05; N1:20.637 mm; Basic dynamic load rating C:325 kN; Limiting speed:2300 r/min; A:84.138 mm;
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    l4 max.:62 mm; r1 min.:0.3 mm; d2 max.:36 mm; B:10 mm; Basic dynamic load rating C:10.8 kN; dk:18 mm; C1 max.:8 mm; l3 min.:15 mm; N max.:40 mm; α:10 °;
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  • [QTY 5] (20x47x14 mm) 6204-2RS HYBRID CERAMIC Si3N4 Ball Bearing (Black) 6204RS

    Hydraulic nut:HMVC 76E; Sleeve:S 3176x14; Lock nut:N 076; d:380 mm; Mass adapter sleeve assembly:57 kg; B:48.666 mm; B5:59.766 mm; d3 max.:450.977 mm; G:378.993 mm; Locking plate:PL 76;
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  • [QTY 5] SF695zz F695zz (5x13x4 mm) 440c Stainless Steel FLANGED Ball Bearing

    Hydraulic nut:HMVC 76E; Sleeve:S 3176x14; Lock nut:N 076; d:380 mm; Mass adapter sleeve assembly:57 kg; B:48.666 mm; B5:59.766 mm; d3 max.:450.977 mm; G:378.993 mm; Locking plate:PL 76;
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  • [QTY 5] S624ZZ (4x13x5 mm) 440c Stainless Steel Ball Bearing Bearings 624ZZ

    Grease Speed Rating n1:2600 rpm; Sealed Speed Rating n3:2600 rpm; B:68.30 mm; Basic Static Radial Load Rating Co:140000 N; Fillet Radius ra:2.00 mm; d:75.000 mm; Accessories:Shield & Seal; Basic Dynamic Radial Load Rating C:168000 N; D:160.0000 mm; Oil Speed Rating n2:3600 rpm;
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  • [QTY 800] [2.5mm] Loose Bearing Ball SS304 304 Stainless Steel Bearings Balls

    a:5.556 mm; L:222.25 mm; da:88.9 mm; S:0.794 mm; Mass bearing unit:18.2 kg; Attachment bolt diameter G:4 x 19.05; N1:20.637 mm; Basic dynamic load rating C:325 kN; Limiting speed:2300 r/min; A:84.138 mm;
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  • [QTY 5] SMR138zz MR138zz (8x13x4 mm) 440C Stainless Steel Ball Bearing Bearings

    l4 max.:62 mm; r1 min.:0.3 mm; d2 max.:36 mm; B:10 mm; Basic dynamic load rating C:10.8 kN; dk:18 mm; C1 max.:8 mm; l3 min.:15 mm; N max.:40 mm; α:10 °;
    Read More ...

  • [QTY 5] (20x47x14 mm) 6204-2RS HYBRID CERAMIC Si3N4 Ball Bearing (Black) 6204RS

    a:5.556 mm; L:222.25 mm; da:88.9 mm; S:0.794 mm; Mass bearing unit:18.2 kg; Attachment bolt diameter G:4 x 19.05; N1:20.637 mm; Basic dynamic load rating C:325 kN; Limiting speed:2300 r/min; A:84.138 mm;
    Read More ...

  • [QTY10] 6900-2RS (10x22x6 mm) Hybrid Ceramic Rubber Ball Bearing Bearings 6900RS

    P150°:145 kN; End plug (suffix Y):X-5217-2; J min.:628.65 mm; Da:399.999 mm; P120°:160 kN; J1:133.35 mm; Ca:117.805 mm; h:69.85 mm; Eye bolt:2 x 1/2-13 UNC; R2:46.831 mm;
    Read More ...

  • [QTY1] SMR115-2RS (5x11x4 mm) Hybrid Ceramic Ball Bearing Bearings ABEC-3 YELLOW

    Hydraulic nut:HMVC 76E; Sleeve:S 3176x14; Lock nut:N 076; d:380 mm; Mass adapter sleeve assembly:57 kg; B:48.666 mm; B5:59.766 mm; d3 max.:450.977 mm; G:378.993 mm; Locking plate:PL 76;
    Read More ...

  • [QTY 5] (25x42x9 mm) 6905-2RS HYBRID CERAMIC Si3N4 Ball Bearing (Black) 6905RS

    D:120.0000 mm; Basic Static Radial Load Rating Co:122000 N; Oil Speed Rating n2:5000 rpm; Accessories:No Shield, no Seal; d:55.000 mm; Basic Dynamic Radial Load Rating C:119000 N; B:52.40 mm; Grease Speed Rating n1:3800 rpm; Sealed Speed Rating n3:3800 rpm; Fillet Radius ra:2.00 mm;
    Read More ...

  • [QTY 5] (25x42x9 mm) 6905-2RS HYBRID CERAMIC Si3N4 Ball Bearing (Black) 6905RS

    P150°:145 kN; End plug (suffix Y):X-5217-2; J min.:628.65 mm; Da:399.999 mm; P120°:160 kN; J1:133.35 mm; Ca:117.805 mm; h:69.85 mm; Eye bolt:2 x 1/2-13 UNC; R2:46.831 mm;
    Read More ...

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HongKong Royal Machinery Parts Co.,Ltd. 
Email[email protected]
AddressNathan 25-26, Tsimshatsui Kowloon Hongkong
Phone(Working Time)0065-31591338
Fax00852-95172259
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New Products

  • [QTY1] SMR115-2RS (5x11x4 mm) Hybrid Ceramic Ball Bearing Bearings ABEC-3 YELLOW
  • [QTY1] SMR115-2RS (5x11x4 mm) Hybrid Ceramic Ball Bearing Bearings ABEC-3 YELLOW
  • [QTY10] 6900-2RS (10x22x6 mm) Hybrid Ceramic Rubber Ball Bearing Bearings 6900RS
  • [QTY10] 6900-2RS (10x22x6 mm) Hybrid Ceramic Rubber Ball Bearing Bearings 6900RS
  • [QTY 5] S624ZZ (4x13x5 mm) 440c Stainless Steel Ball Bearing Bearings 624ZZ
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