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Home>Products>Mounted Units & Inserts>BOSTON GEAR 6912-B Mounted Units & Inserts

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  • BOSTON GEAR 6912-B Mounted Units & Inserts
  • BOSTON GEAR 6912-B Mounted Units & Inserts
  • BOSTON GEAR 6912-B Mounted Units & Inserts
  • BOSTON GEAR 6912-B Mounted Units & Inserts
  • BOSTON GEAR 6912-B Mounted Units & Inserts
  • BOSTON GEAR 6912-B Mounted Units & Inserts
  • BOSTON GEAR 6912-B Mounted Units & Inserts
  • BOSTON GEAR 6912-B Mounted Units & Inserts
  • BOSTON GEAR 6912-B Mounted Units & Inserts
  • BOSTON GEAR 6912-B Mounted Units & Inserts

BOSTON GEAR 6912-B Mounted Units & Inserts

  • BOSTON GEAR 6912-B Mounted Units & Inserts Product Brochures 72.0000 mm D , Mounted Units & Inserts Manufacturing Service . Get NTN Bearing Rolamentos do Brasil Ltda. Your Free.

  • What is 6912-B bearing cross reference？

  • BOSTON GEAR

  • 6912-B

  • 72.0000 mm
  • 11000 rpm
  • 19.00 mm
  • 9000 rpm
  • 1.00 mm
  • 18600 N
  • Two Shields & Snap-R
  • 29200 N
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NTN Bearing Rolamentos do Brasil Ltda.

NTN Bearing Rolamentos do Brasil Ltda.China

  • NTN Bearing Rolamentos do Brasil Ltda.2020-07-10 09:46:19
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BOSTON GEAR 6912-B Mounted Units & InsertsCode description

D: 72.0000 mm Oil Speed Rating Open/Shielded n2: 11000 rpm B: 19.00 mm
Grease Speed Rating Open/Shielded n1: 9000 rpm Fillet Radius ra: 1.00 mm Basic Static Radial Load Rating Co: 18600 N
Accessories: Two Shields & Snap-R Basic Dynamic Radial Load Rating C: 29200 N d: 20.000 mm
BOSTON GEAR 6912-B Mounted Units & Inserts pdf

BOSTON GEAR 6912-B Mounted Units & InsertsProduct features


BOSTON GEAR 6912-B Mounted Units & Inserts Technical Data


  • BOSTON GEAR 10T-1-15/16 Mounted Units & Inserts

    F:40 mm; r, r1,2 min.:0.3 mm; B:20.5 mm; d:35 mm; Mass inner ring:0.046 kg;
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  • BOSTON GEAR 5H 15/16 Mounted Units & Inserts

    Grease Speed Rating n1:2000 rpm; B:73.00 mm; Accessories:One Seal; Oil Speed Rating n2:3000 rpm; Sealed Speed Rating n3:2000 rpm; Fillet Radius ra:2.50 mm; d:90.000 mm; Basic Static Radial Load Rating Co:196000 N; D:190.0000 mm; Basic Dynamic Radial Load Rating C:212000 N;
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  • BOSTON GEAR 3L 1/2 Mounted Units & Inserts

    Specific static load factor K0:45 N/mm²; B:80 mm; Specific dynamic load factor K:25 N/mm²; B1:10 mm; Permissible sliding velocity v max.:0.5 m/s; Coefficient of friction µ min.:0.08; d:210 mm; Mass bushing:4.88 kg; Permissible sliding velocity v min.:0 m/s; Tolerance shaft:e7;
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  • BOSTON GEAR 12L 2-1/4 Mounted Units & Inserts

    Mass bearing:8.64 kg; Da min.:168 mm; Calculation factor Y0:0.4; B:51 mm; rb max.:3 mm; da max.:121 mm; Db min.:202 mm; r3,4 min.:3 mm; Limiting speed:3000 r/min; D:215 mm;
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  • BOSTON GEAR 3L 5/8 Mounted Units & Inserts

    Frame Accepts These Shaft Sizes (Bearing Bore):20 mm, 25 mm; Shaft C/L Distance F:1 2/5 in; Bolt Pattern D:2 1/4 in; Frame Size B:11 in; Frame Size A:4 1/8 in; Bolt Pattern E:9 1/2 in; Travel:6; Length H:0.500 in; Bolt Pattern C:0.55 in; Height G:2.938 in;
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  • BOSTON GEAR 4L 3/4 Mounted Units & Inserts

    PG:1/4 NPT; Cap bolt, SAE grade:5; J max.:619.125 mm; A2:273.05 mm; H:401.637 mm; J min.:549.275 mm; A1:190.5 mm; Ca:123.8 mm; P90°:173 kN; ba:87.313 mm;
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  • BOSTON GEAR 5L 15/16 Mounted Units & Inserts

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  • BOSTON GEAR 3H 5/8 Mounted Units & Inserts

    Fatigue load limit Pu:64 kN; Basic dynamic load rating C:465 kN; D1 ≈:172.5 mm; da max.:129 mm; r1,2 min.:2.1 mm; Limiting speed:4000 r/min; Reference speed:3600 r/min; s max.:2.2 mm; d:110 mm; Mass bearing:7.3 kg;
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  • BOSTON GEAR 4H 3/4 Mounted Units & Inserts

    Basic Dynamic Radial Load Rating C:203000 N; d:105.000 mm; B:49.00 mm; Oil Speed Rating n2:3800 rpm; Basic Static Radial Load Rating Co:200000 N; Grease Speed Rating n1:2900 rpm; D:225.0000 mm; Fillet Radius ra:2.50 mm;
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  • BOSTON GEAR 5L 7/8 Mounted Units & Inserts

    Housing washer:GS 81122; d:110 mm; Shaft washer:WS 81122; Dw:11 mm; Eb:141 mm; D:145 mm; Universal washer:LS 110145; Ea:114 mm; Limiting speed:2200 r/min; Mass roller and cage thrust assembly:0.27 kg;
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  • BOSTON GEAR 5H 7/8 Mounted Units & Inserts

    Oil level, min.:90 mm; P150°:2400 kN; da:340 mm; s:30 mm; A1:360 mm; Da:600 mm; bb:171 mm; Oil seal:TSD 3172 U; N:50 mm; L:1000 mm;
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  • BOSTON GEAR 12H 2-7/16 Mounted Units & Inserts

    d:330.2 mm; Comparative axial load rating CFa:170 kN; Thrust factor K:1.76; Calculation factor Y2:3; Basic dynamic load rating C:4250 kN; Calculation factor Y1:2; Fatigue load limit Pu:735 kN; Calculation factor e:0.33; B:301.625 mm; d1 ≈:481 mm;
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  • BOSTON GEAR 5H 1 Mounted Units & Inserts

    A:9 mm; G1:40 mm; G2:G 1/4; d:500 mm; B1:209 mm; B2:221 mm; G:Tr 530x6; d1:480 mm; Hydraulic nut:HMV 106 E; Nut for removal:HM 30/530;
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  • BOSTON GEAR 12L 2-7/16 Mounted Units & Inserts

    α:124 °; B:160 mm; h:172 mm; Mass bushing:7.9 kg; Coefficient of friction µ min.:0.08; Tolerance shaft:e7; Coefficient of friction µ max.:0.15; D:190 mm; Permissible sliding velocity v min.:0 m/s; Permissible sliding velocity v max.:0.5 m/s;
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  • BOSTON GEAR 3H 1/2 Mounted Units & Inserts

    P60°:136 kN; Adapter sleeve assembly:SNW 20x3.3/8; RG:3/8 NPT; Mass pillow block:28.1 kg; P120°:50.7 kN; A2:152.797 mm; Cap bolt recommended tightening torque:203.4 N·m; Cap bolt:2 x 3/4-10 UNC; h:42.069 mm; P150°:46.3 kN;
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