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Home>Products>Super Precision Bearing>NNU4921BK/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series

  • NNU4921BK/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series
  • NNU4921BK/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series

SKF NNU4921BK/SPW33 MODELS

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NNU4921BK/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series

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Super Precision Bearing

SKF NNU4921BK/SPW33 Bearing SPECIFICATIONS

  • Our highly-skilled and factory-trained service experts have the resources to BEARING FORGE OF AMERICA CORP. help you with all your NNU4921BK/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series needs - including routine maintenance, major repairs, warranty service, and Super Precision Bearing equipment 44.1 mm d2 inspections.

  • SKF

  • NNU4921BK/SPW33

  • 44.1 mm
  • 3.969 mm
  • 6.5 N·m
  • 26.7 mm
  • 0.475 kN
  • 6300 r/min
  • 5/16-24 UNF
  • 23.8 mm
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NNU4921BK/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series Characteristics

  • 44.1 mm
  • 3.969 mm
  • 6.5 N·m
  • 26.7 mm
  • 0.475 kN
  • 6300 r/min
  • 5/16-24 UNF
  • 23.8 mm
  • 11.2 kN
  • 26.988 mm
  • 62 mm
  • 14
  • 18 mm
  • 0.36 kg
  • 19.5 kN
  • 39.7 mm
  • 0.6 mm
  • 5.95 mm
  • 35.7 mm

SKF NNU4921BK/SPW33 NNU4921BK/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series Product Features

No.BrandhRAJFULM
71801ACDGA/P4SKF - - - - - - - -
7005ACEGB/P4ASKF - - - - - - - -
71902CE/P4ADGASKF - - - - - - - -
708CD/P4ADBASKF47.625 mm - - - - - 387.35 mm -
71905ACD/P4ADGASKF - - - - - - - -
71800CD/P4DGBSKF - - - - 340 mm - - -
NNU4926BK/SPW33SKF - - 29.5 mm90 mm - - 60.5 mm -
71802ACD/P4DGBSKF - - - - - - - -
71902CD/P4ADGASKF - - - - - - - -
7003ACDGB/P4ASKF - - - - - - - -
71801CDGB/P4SKF - - - - - - 419.1 mm -
7002CE/P4ADGASKF - - - - 30 mm - - -
7005CEGB/P4ASKF - - - - - - 1330 mm -
NNU4934B/SPW33SKF - - - - - - - -
71901ACDGA/P4ASKF2 mm - - - - - - -
7002CEGB/P4ASKF295 mm - - - - - - -
71900CD/P4ADGBSKF182 mm - - - - - - -
71903ACD/P4ADGASKF - - - - - - - -
7204ACDGA/P4ASKF - - - - - - - -
NNU4940B/SPW33SKF - - - - - - - -

 

NN3036K/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NN 30 SeriesD1 ≈:147 mm; H max.:65 mm; C:119 mm; d:90 mm; Maximum dynamic radial loads Fr max.:440 kN; Basic dynamic load rating C:484 kN; Maximum static radial loads F0r max.:630 kN; r min.:2 mm; d1 ≈:119 mm; D:220 mm; K:6; Mass bearing:26 kg; b:10.2 mm; Basic static load rating C0:640 kN; Fatigue load limit Pu:78 kN; B:120 mm;
7005CD/P4ADGA SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,7000 Series,15 Degree Contact AngleGrease Speed Rating n1:4300 rpm; B:33.30 mm; d:55.000 mm; Fillet Radius ra:1.50 mm; Accessories:Shield & Seal; Basic Dynamic Radial Load Rating C:66000 N; Basic Static Radial Load Rating Co:76500 N; Sealed Speed Rating n3:4300 rpm; D:100.0000 mm; Oil Speed Rating n2:5600 rpm;
NNU4928B/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 SeriesBasic Static Radial Load Rating Co:37500 N; Fillet Radius rb:0.60 mm; Grease Speed Rating n1:7200 rpm; B:34.00 mm; Fillet Radius ra:1.00 mm; D:72.0000 mm; d:35.000 mm; Basic Dynamic Radial Load Rating C:42300 N; Oil Speed Rating n2:8800 rpm;
NNU4921B/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Seriesr3,4 min.:6.4 mm; Calculation factor Y2:2.5; Calculation factor e:0.4; Design variant/feature:TQO/GWI; B:412.75 mm; Calculation factor Y0:1.6; Mass bearing:630 kg; d:457.073 mm; Comparative radial load rating CF:2400 kN; T:419.1 mm; Comparative axial load rating CFa:456 kN; Thrust factor K:1.49; Calculation factor Y1:1.7; Fatigue load limit Pu:1460 kN; D1 ≈:637 mm; Basic static load rating C0:19600 kN;
NNU4934B/SPC3W33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 SeriesFatigue load limit Pu:1290 kN; d:384.175 mm; D:546.1 mm; T:384.175 mm; Thrust factor K:1.76; r1,2 min.:6.4 mm; Comparative axial load rating CFa:278 kN; D1 ≈:520 mm; Comparative radial load rating CF:1730 kN; Calculation factor Y2:3; Basic static load rating C0:16600 kN; B:437.96 mm; Calculation factor Y1:2; Mass bearing:321 kg; d1 ≈:455 mm; Design variant/feature:TQI; Basic dynamic load rating C:6440 kN;
71805CD/P4DGB SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71800 Series,15 Degree Contact AngleCap bolt:2 x 5/8-11 UNC; R2:21.431 mm; P150°:26.7 kN; PG:1/8 NPT; L:330.2 mm; H:167.481 mm; End plug (suffix Y):EPR 7; A1:88.9 mm; Housing:SAF 313; PosiTrac Plus contact element (dc shaft position):B10724-37; ba:40.481 mm; Stabilizing ring:SR-16-13; dc:61.913 mm; PosiTrac Plus contact element (db shaft position):B10724-53; Mass pillow block:16 kg; Pa:20.5 kN; J min.:244.475 mm; P120°:30.2 kN;
NNU4936B/SPC3W33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 SeriesP120°:149 kN; A2:276.225 mm; L:539.75 mm; da:133.35 mm; Cap bolt recommended tightening torque:813.5 N·m; P150°:136 kN; ba:65.088 mm; H2:63.5 mm; R1:95.25 mm; H:317.5 mm; Cap bolt:7/8-9 UNC; P60°:394 kN; S:4.763 mm; Housing:SSAFS 530; Stabilizing ring:SR-30-0; PG:1/4 NPT; Max. speed for Taconite seal:590 r/min; Cap bolt, SAE grade:8; Ca:82.804 mm; Pa:32.7 kN;
71800ACDGB/P4 SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71800 Series,25 Degree Contact Angleda:160.338 mm; Da:279.999 mm; RG:3/4 NPT; N1:28.575 mm; Mass pillow block:94.8 kg; h:52.388 mm; J min.:441.325 mm; J max.:488.95 mm; Appropriate attachment bolt size G:1 in; A2:279.4 mm; Initial grease fill:793.8 g; H2:66.675 mm; H1:169.875 mm; P60°:226 kN; L:558.8 mm; Cap bolt recommended tightening torque:203.4 N·m; A1:158.75 mm; Stabilizing ring:2 x 38151-36; Ca:102.794 mm; Taconite seal:TER 146;
71804ACD/P4DGA SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71800 Series,25 Degree Contact AngleAppropriate attachment bolt, rec. tightening torque:2280 N·m; P150°:2500 kN; L:1040 mm; H2:120 mm; Appropriate attachment bolt, size G:36 mm; ATS:410 mm; Q180°:2100 kN; Da:620 mm; Eye bolt, size:2 x M 36; db:370 mm; Locating ring:2 x FRB 5/620; Cap bolt, rec. tightening torque:600 N·m; ba min.:189 mm; End cover:ETS 76; A1:360 mm; P0°:6100 kN; P120°:2900 kN; H:715 mm; P90°:3900 kN;
BEAM012055-2RS SKF Brands,All Brands,SKF,Super Precision Angular Contact Thrust,BEAMA:88.9 mm; B:65.484 mm; Limiting speed:3800 r/min; J max.:225.425 mm; H2:41.275 mm; H1:69.85 mm; Mass bearing unit:8.62 kg; s:32.941 mm; J min.:209.55 mm; Attachment bolt diameter G:15.875 mm; H:144.463 mm; J1:47.625 mm; da:63.5 mm; S:0.794 mm; L:266.7 mm; Basic dynamic load rating C:193 kN;
71901CD/P4ADGB SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71900 Series,15 Degree Contact AngleMisalignment factor k1:0.094; Limiting speed:9000 r/min; Reference speed:6300 r/min; d2 ≈:65.8 mm; Operating clearance factor k2:0.133; Fatigue load limit Pu:13.4 kN; Mass bearing + sleeve:1.1 kg; Ca min.:0.3 mm; da max.:65.8 mm; r1,2 min.:1.5 mm; db min.:60 mm; B2:14 mm; Basic static load rating C0:114 kN; ra max.:1.5 mm; Ba min.:10 mm; Basic dynamic load rating C:116 kN; D1 ≈:86.7 mm;
71904ACD/P4ADGB SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71900 Series,25 Degree Contact Angler1,2 min.:6 mm; r3,4 min.:3 mm; Basic static load rating C0:65500 kN; Mass bearing:2410 kg; F:849 mm; Fatigue load limit Pu:4300 kN; D:1079.602 mm; Calculation factor kr:760; D1 ≈:974 mm; d:761.425 mm; Design variant/feature:BC4.10/W33WI; Basic dynamic load rating C:23300 kN; B:787.4 mm; C:787.4 mm; K:12 mm; b:22.3 mm;
71902CE/P4ADGA SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71900 Series,15 Degree Contact AngleFillet Radius ra:2.00 mm; B:29.00 mm; Grease Speed Rating Open/Shielded n1:4600 rpm; Accessories:One Shield; Oil Speed Rating Open/Shielded n2:5600 rpm; Basic Static Radial Load Rating Co:65500 N; Basic Dynamic Radial Load Rating C:79200 N; d:55.000 mm; D:120.0000 mm;
71800CDGA/P4 SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71800 Series,15 Degree Contact AngleS:4.763 mm; Bearing limiting speed:5600 r/min; J min.:250.825 mm; Stabilizing ring:SR-17-14; Cap bolt recommended tightening torque:149.1 N·m; P150°:28.5 kN; PG:1/8 NPT; Cap bolt:2 x 5/8-11 UNC; H:180.975 mm; End plug (suffix Y):EPR 9; Appropriate attachment bolt size G:0.75 in; P180°:34.7 kN; H1:95.25 mm; H2:31.75 mm; R2:22.225 mm; da:71.438 mm; L:330.2 mm; J max.:279.4 mm; ba:35.719 mm;
708ACDGB/P4A SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,7000 Series,25 Degree Contact AngleGrease Speed Rating n1:2600 rpm; B:49.20 mm; Basic Static Radial Load Rating Co:110000 N; Sealed Speed Rating n3:2600 rpm; Basic Dynamic Radial Load Rating C:124000 N; Accessories:Two Seals & Snap-Rin; d:85.000 mm; Fillet Radius ra:2.00 mm; Oil Speed Rating n2:3600 rpm; D:150.0000 mm;
S7003CEGA/P4A SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,7000 Series,15 Degree Contact AngleFatigue load limit Pu:91.5 kN; Basic dynamic load rating C:852 kN; Reference speed:400 r/min; d:670 mm; Mass bearing (including seat washer where applicable):105 kg; Minimum load factor A:230; H:105 mm; ra max.:3 mm; Limiting speed:560 r/min; D:800 mm; da min.:747 mm; Da max.:723 mm; d1 ≈:795 mm; Basic static load rating C0:6700 kN; r1,2 min.:4 mm; D1 ≈:675 mm;

 

 

NNU4921BK/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series Video

 

SKF NNU4921BK/SPW33 INTERCHANGE

Super Precision Bearing Part series NNU4921BK/SPW33 is a potential replacement for these common bearing part numbers:

  • NNU4921BK/SPW33

  • NNU4921BK/SPW33

  • NNU4921BK/SPW33

  • NNU4921BK/SPW33

  • NNU4921BK/SPW33

  • NNU4921BK/SPW33

  • NNU4921BK/SPW33

  • NNU4921BK/SPW33

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SKF NNU4921BK/SPW33 Technical Articles

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Super Precision Bearing CATEGORIES

  • Angular contact ball bearings
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  • nsk 6201du Bearing
  • nsk 6906 Bearing
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  • Needle Aircraft Roller Bearings
  • Double Row Tapered Thrust Roller Bearings
  • Railway Rolling Spherical Roller Bearings
  • K061025 Belts
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  • Gates Alternator Belt
  • Poly F Plus V Belt
  • Gt3 Belts
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  • NNU4920BK/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series
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  • Home
  • Stock Categories
    • Angular contact ball bearings
    • Bearing units
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    • Deep groove ball bearings
    • Needle roller bearings
    • Plain bearings
    • Self aligning ball bearings
    • Spherical roller bearings
    • Tapered roller bearings
    • Thrust ball bearings
    • Thrust roller bearings
    • Wheel bearings
    • nsk 6201du Bearing
    • nsk 6906 Bearing
    • nsk 6010 Bearing
    • nsk 6209 Bearing
    • Large Slewing Bearings
    • Slewing Ring Bearings
    • Kaydon Slewing Bearing
    • Bearing Slewing Ring
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    • Slewing Ring
    • Thrust Spherical Roller Bearing
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    • Thrust Tapered Roller Bearing
    • Needle Aircraft Roller Bearings
    • Double Row Tapered Thrust Roller Bearings
    • Railway Rolling Spherical Roller Bearings
    • K061025 Belts
    • Gates Lawn Mower Belts
    • Gates Alternator Belt
    • Poly F Plus V Belt
    • Gt3 Belts
  • Technical Articles
  • Angular contact ball bearings
  • Bearing units
  • Cylindrical roller bearings
✖

Home

Stock Categories

Technical Articles

Angular contact ball bearings

Bearing units

Cylindrical roller bearings

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