• NSK 213 Series Spherical Roller Bearings (Cylindrical & K Bore)
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NSK 213 Series Spherical Roller Bearings (Cylindrical & K Bore)

NSK 213 Series Spherical Roller Bearings (Cylindrical & K Bore)

NSK 213 series double-row spherical roller bearings, bore 25-110 mm, with cylindrical bore and tapered bore (K) designations as listed.

Key features

  • Double-row barrel rollers with spherical outer-ring raceway for self-alignment
  • High radial and moderate two-direction axial load capacity
  • K suffix: tapered bore (1:12) for sleeve mounting
  • Cage and design suffixes (EA, CA, CD, C, H, E4) as printed
  • Suitable for heavy-duty, misaligned or shock-loaded applications

Specifications

Bearing type Spherical roller bearing
Series 213
Bore range 25-110 mm
Bore type Cylindrical; K = tapered
Load ratings Basic dynamic Cr / static C0r
Speed basis Grease lubrication limit
Source NSK Rolling Bearings Catalogue (Korean ed.), p. B180-B201
21305CD d: 25 mm | D: 62 mm | B: 7 mm | Cr: 43 kN | C0r: 40.5 kN | Grease speed: 5300 rpm
21305CDK d: 25 mm | D: 62 mm | B: 7 mm | Cr: 43 kN | C0r: 40.5 kN | Grease speed: 5300 rpm
21306CD d: 30 mm | D: 72 mm | B: 19 mm | Cr: 55 kN | C0r: 54 kN | Grease speed: 4500 rpm
21306CDK d: 30 mm | D: 72 mm | B: 19 mm | Cr: 55 kN | C0r: 54 kN | Grease speed: 4500 rpm
21307CD d: 35 mm | D: 80 mm | B: 21 mm | Cr: 71.5 kN | C0r: 76 kN | Grease speed: 4000 rpm
21307CDK d: 35 mm | D: 80 mm | B: 21 mm | Cr: 71.5 kN | C0r: 76 kN | Grease speed: 4000 rpm
21308CD d: 40 mm | D: 90 mm | B: 23 mm | Cr: 87.5 kN | C0r: 93 kN | Grease speed: 3600 rpm
21308CDK d: 40 mm | D: 90 mm | B: 23 mm | Cr: 87.5 kN | C0r: 93 kN | Grease speed: 3600 rpm
21309EAE4 d: 45 mm | D: 100 mm | B: 25 mm | Cr: 119 kN | C0r: 144 kN | Grease speed: 4500 rpm
21309EAKE4 d: 45 mm | D: 100 mm | B: 25 mm | Cr: 119 kN | C0r: 144 kN | Grease speed: 4500 rpm
21310EAE4 d: 50 mm | D: 110 mm | B: 27 mm | Cr: 142 kN | C0r: 174 kN | Grease speed: 4300 rpm
21310EAKE4 d: 50 mm | D: 110 mm | B: 27 mm | Cr: 142 kN | C0r: 174 kN | Grease speed: 4300 rpm
21311EAE4 d: 55 mm | D: 120 mm | B: 29 mm | Cr: 142 kN | C0r: 174 kN | Grease speed: 4300 rpm
21311EAKE4 d: 55 mm | D: 120 mm | B: 29 mm | Cr: 142 kN | C0r: 174 kN | Grease speed: 4300 rpm
21312EAE4 d: 60 mm | D: 130 mm | B: 31 mm | Cr: 190 kN | C0r: 244 kN | Grease speed: 3400 rpm
21312EAKE4 d: 60 mm | D: 130 mm | B: 31 mm | Cr: 190 kN | C0r: 244 kN | Grease speed: 3400 rpm
21313EAE4 d: 65 mm | D: 140 mm | B: 33 mm | Cr: 212 kN | C0r: 275 kN | Grease speed: 3200 rpm
21313EAKE4 d: 65 mm | D: 140 mm | B: 33 mm | Cr: 212 kN | C0r: 275 kN | Grease speed: 3200 rpm
21314EAE4 d: 70 mm | D: 150 mm | B: 35 mm | Cr: 250 kN | C0r: 325 kN | Grease speed: 3000 rpm
21314EAKE4 d: 70 mm | D: 150 mm | B: 35 mm | Cr: 250 kN | C0r: 325 kN | Grease speed: 3000 rpm
21315EAE4 d: 75 mm | D: 160 mm | B: 37 mm | Cr: 250 kN | C0r: 325 kN | Grease speed: 2000 rpm
21315EAKE4 d: 75 mm | D: 160 mm | B: 37 mm | Cr: 250 kN | C0r: 325 kN | Grease speed: 2000 rpm
21316EAE4 d: 80 mm | D: 170 mm | B: 39 mm | Cr: 284 kN | C0r: 375 kN | Grease speed: 2800 rpm
21316EAKE4 d: 80 mm | D: 170 mm | B: 39 mm | Cr: 284 kN | C0r: 375 kN | Grease speed: 2800 rpm
21317EAE4 d: 85 mm | D: 180 mm | B: 41 mm | Cr: 289 kN | C0r: 395 kN | Grease speed: 2800 rpm
21317EAKE4 d: 85 mm | D: 180 mm | B: 41 mm | Cr: 289 kN | C0r: 395 kN | Grease speed: 2800 rpm
21318EAE4 d: 90 mm | D: 190 mm | B: 43 mm | Cr: 330 kN | C0r: 450 kN | Grease speed: 2600 rpm
21318EAKE4 d: 90 mm | D: 190 mm | B: 43 mm | Cr: 330 kN | C0r: 450 kN | Grease speed: 2600 rpm
21319C d: 95 mm | D: 200 mm | B: 45 mm | Cr: 345 kN | C0r: 435 kN | Grease speed: 1500 rpm
21319CK d: 95 mm | D: 200 mm | B: 45 mm | Cr: 345 kN | C0r: 435 kN | Grease speed: 1500 rpm
21320C d: 100 mm | D: 215 mm | B: 47 mm | Cr: 395 kN | C0r: 485 kN | Grease speed: 1400 rpm
21320CK d: 100 mm | D: 215 mm | B: 47 mm | Cr: 395 kN | C0r: 485 kN | Grease speed: 1400 rpm
21322CA d: 110 mm | D: 240 mm | B: 50 mm | Cr: 450 kN | C0r: 545 kN | Grease speed: 1300 rpm
21322CAK d: 110 mm | D: 240 mm | B: 50 mm | Cr: 450 kN | C0r: 545 kN | Grease speed: 1300 rpm
Spherical Roller BearingsNSK
34 product codes available in this family
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NSK 213 Series Spherical Roller Bearings (Cylindrical & K Bore)

Brand NSK·Spherical Roller Bearings

Available part numbers (34)

21305CD, 21305CDK, 21306CD, 21306CDK, 21307CD, 21307CDK, 21308CD, 21308CDK, 21309EAE4, 21309EAKE4 + 24 more — see full table ↓

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Product codes & specifications
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Product codeSpec
21305CDd: 25 mm | D: 62 mm | B: 7 mm | Cr: 43 kN | C0r: 40.5 kN | Grease speed: 5300 rpm
21305CDKd: 25 mm | D: 62 mm | B: 7 mm | Cr: 43 kN | C0r: 40.5 kN | Grease speed: 5300 rpm
21306CDd: 30 mm | D: 72 mm | B: 19 mm | Cr: 55 kN | C0r: 54 kN | Grease speed: 4500 rpm
21306CDKd: 30 mm | D: 72 mm | B: 19 mm | Cr: 55 kN | C0r: 54 kN | Grease speed: 4500 rpm
21307CDd: 35 mm | D: 80 mm | B: 21 mm | Cr: 71.5 kN | C0r: 76 kN | Grease speed: 4000 rpm
21307CDKd: 35 mm | D: 80 mm | B: 21 mm | Cr: 71.5 kN | C0r: 76 kN | Grease speed: 4000 rpm
21308CDd: 40 mm | D: 90 mm | B: 23 mm | Cr: 87.5 kN | C0r: 93 kN | Grease speed: 3600 rpm
21308CDKd: 40 mm | D: 90 mm | B: 23 mm | Cr: 87.5 kN | C0r: 93 kN | Grease speed: 3600 rpm
21309EAE4d: 45 mm | D: 100 mm | B: 25 mm | Cr: 119 kN | C0r: 144 kN | Grease speed: 4500 rpm
21309EAKE4d: 45 mm | D: 100 mm | B: 25 mm | Cr: 119 kN | C0r: 144 kN | Grease speed: 4500 rpm
21310EAE4d: 50 mm | D: 110 mm | B: 27 mm | Cr: 142 kN | C0r: 174 kN | Grease speed: 4300 rpm
21310EAKE4d: 50 mm | D: 110 mm | B: 27 mm | Cr: 142 kN | C0r: 174 kN | Grease speed: 4300 rpm
21311EAE4d: 55 mm | D: 120 mm | B: 29 mm | Cr: 142 kN | C0r: 174 kN | Grease speed: 4300 rpm
21311EAKE4d: 55 mm | D: 120 mm | B: 29 mm | Cr: 142 kN | C0r: 174 kN | Grease speed: 4300 rpm
21312EAE4d: 60 mm | D: 130 mm | B: 31 mm | Cr: 190 kN | C0r: 244 kN | Grease speed: 3400 rpm
21312EAKE4d: 60 mm | D: 130 mm | B: 31 mm | Cr: 190 kN | C0r: 244 kN | Grease speed: 3400 rpm
21313EAE4d: 65 mm | D: 140 mm | B: 33 mm | Cr: 212 kN | C0r: 275 kN | Grease speed: 3200 rpm
21313EAKE4d: 65 mm | D: 140 mm | B: 33 mm | Cr: 212 kN | C0r: 275 kN | Grease speed: 3200 rpm
21314EAE4d: 70 mm | D: 150 mm | B: 35 mm | Cr: 250 kN | C0r: 325 kN | Grease speed: 3000 rpm
21314EAKE4d: 70 mm | D: 150 mm | B: 35 mm | Cr: 250 kN | C0r: 325 kN | Grease speed: 3000 rpm
21315EAE4d: 75 mm | D: 160 mm | B: 37 mm | Cr: 250 kN | C0r: 325 kN | Grease speed: 2000 rpm
21315EAKE4d: 75 mm | D: 160 mm | B: 37 mm | Cr: 250 kN | C0r: 325 kN | Grease speed: 2000 rpm
21316EAE4d: 80 mm | D: 170 mm | B: 39 mm | Cr: 284 kN | C0r: 375 kN | Grease speed: 2800 rpm
21316EAKE4d: 80 mm | D: 170 mm | B: 39 mm | Cr: 284 kN | C0r: 375 kN | Grease speed: 2800 rpm
21317EAE4d: 85 mm | D: 180 mm | B: 41 mm | Cr: 289 kN | C0r: 395 kN | Grease speed: 2800 rpm
21317EAKE4d: 85 mm | D: 180 mm | B: 41 mm | Cr: 289 kN | C0r: 395 kN | Grease speed: 2800 rpm
21318EAE4d: 90 mm | D: 190 mm | B: 43 mm | Cr: 330 kN | C0r: 450 kN | Grease speed: 2600 rpm
21318EAKE4d: 90 mm | D: 190 mm | B: 43 mm | Cr: 330 kN | C0r: 450 kN | Grease speed: 2600 rpm
21319Cd: 95 mm | D: 200 mm | B: 45 mm | Cr: 345 kN | C0r: 435 kN | Grease speed: 1500 rpm
21319CKd: 95 mm | D: 200 mm | B: 45 mm | Cr: 345 kN | C0r: 435 kN | Grease speed: 1500 rpm
21320Cd: 100 mm | D: 215 mm | B: 47 mm | Cr: 395 kN | C0r: 485 kN | Grease speed: 1400 rpm
21320CKd: 100 mm | D: 215 mm | B: 47 mm | Cr: 395 kN | C0r: 485 kN | Grease speed: 1400 rpm
21322CAd: 110 mm | D: 240 mm | B: 50 mm | Cr: 450 kN | C0r: 545 kN | Grease speed: 1300 rpm
21322CAKd: 110 mm | D: 240 mm | B: 50 mm | Cr: 450 kN | C0r: 545 kN | Grease speed: 1300 rpm

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