• NTN 230 Series Spherical Roller Bearings (Cylindrical & Tapered Bore)
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NTN 230 Series Spherical Roller Bearings (Cylindrical & Tapered Bore)

NTN 230 Series Spherical Roller Bearings (Cylindrical & Tapered Bore)

NTN 230 series double-row spherical roller bearings, bore 110-1120 mm, with cylindrical bore or tapered bore (K = 1:12, K30 = 1:30).

Key features

  • Self-aligning design tolerates shaft deflection and misalignment
  • Very high radial load capacity with axial load in both directions
  • Tapered bore versions for adapter or withdrawal sleeve mounting
  • Mass shown for cylindrical bore type

Specifications

Series 230
Bearing type Double-row spherical roller bearing
Bore range 110-1120 mm
Bore options Cylindrical, tapered K (1:12), K30 (1:30)
Load rating unit kN
Source NTN NTN Ball and Roller Bearings catalogue, p. 130-136
23022B d: 110 mm | D: 170 mm | B: 45 mm | Cr: 282 kN | C0r: 455 kN | Mass: 3.71 kg
23022BK d: 110 mm | D: 170 mm | B: 45 mm | Cr: 282 kN | C0r: 455 kN | Mass: 3.71 kg
23024B d: 120 mm | D: 180 mm | B: 46 mm | Cr: 296 kN | C0r: 495 kN | Mass: 4.05 kg
23024BK d: 120 mm | D: 180 mm | B: 46 mm | Cr: 296 kN | C0r: 495 kN | Mass: 4.05 kg
23026B d: 130 mm | D: 200 mm | B: 52 mm | Cr: 375 kN | C0r: 620 kN | Mass: 5.9 kg
23026BK d: 130 mm | D: 200 mm | B: 52 mm | Cr: 375 kN | C0r: 620 kN | Mass: 5.9 kg
23028B d: 140 mm | D: 210 mm | B: 53 mm | Cr: 405 kN | C0r: 690 kN | Mass: 6.35 kg
23028BK d: 140 mm | D: 210 mm | B: 53 mm | Cr: 405 kN | C0r: 690 kN | Mass: 6.35 kg
23030B d: 150 mm | D: 225 mm | B: 56 mm | Cr: 445 kN | C0r: 775 kN | Mass: 7.73 kg
23030BK d: 150 mm | D: 225 mm | B: 56 mm | Cr: 445 kN | C0r: 775 kN | Mass: 7.73 kg
23032B d: 160 mm | D: 240 mm | B: 60 mm | Cr: 505 kN | C0r: 885 kN | Mass: 9.42 kg
23032BK d: 160 mm | D: 240 mm | B: 60 mm | Cr: 505 kN | C0r: 885 kN | Mass: 9.42 kg
23034B d: 170 mm | D: 260 mm | B: 67 mm | Cr: 630 kN | C0r: 1080 kN | Mass: 12.7 kg
23034BK d: 170 mm | D: 260 mm | B: 67 mm | Cr: 630 kN | C0r: 1080 kN | Mass: 12.7 kg
23036B d: 180 mm | D: 280 mm | B: 74 mm | Cr: 740 kN | C0r: 1290 kN | Mass: 16.7 kg
23036BK d: 180 mm | D: 280 mm | B: 74 mm | Cr: 740 kN | C0r: 1290 kN | Mass: 16.7 kg
23038B d: 190 mm | D: 290 mm | B: 75 mm | Cr: 755 kN | C0r: 1350 kN | Mass: 17.7 kg
23038BK d: 190 mm | D: 290 mm | B: 75 mm | Cr: 755 kN | C0r: 1350 kN | Mass: 17.7 kg
23040B d: 200 mm | D: 310 mm | B: 82 mm | Cr: 915 kN | C0r: 1620 kN | Mass: 22.7 kg
23040BK d: 200 mm | D: 310 mm | B: 82 mm | Cr: 915 kN | C0r: 1620 kN | Mass: 22.7 kg
23044B d: 220 mm | D: 340 mm | B: 90 mm | Cr: 1060 kN | C0r: 1920 kN | Mass: 29.9 kg
23044BK d: 220 mm | D: 340 mm | B: 90 mm | Cr: 1060 kN | C0r: 1920 kN | Mass: 29.9 kg
23048B d: 240 mm | D: 360 mm | B: 92 mm | Cr: 1130 kN | C0r: 2140 kN | Mass: 33.4 kg
23048BK d: 240 mm | D: 360 mm | B: 92 mm | Cr: 1130 kN | C0r: 2140 kN | Mass: 33.4 kg
23052B d: 260 mm | D: 400 mm | B: 104 mm | Cr: 1420 kN | C0r: 2620 kN | Mass: 48.5 kg
23052BK d: 260 mm | D: 400 mm | B: 104 mm | Cr: 1420 kN | C0r: 2620 kN | Mass: 48.5 kg
23056B d: 280 mm | D: 420 mm | B: 106 mm | Cr: 1510 kN | C0r: 2920 kN | Mass: 52.4 kg
23056BK d: 280 mm | D: 420 mm | B: 106 mm | Cr: 1510 kN | C0r: 2920 kN | Mass: 52.4 kg
23060B d: 300 mm | D: 460 mm | B: 118 mm | Cr: 1890 kN | C0r: 3550 kN | Mass: 72.4 kg
23060BK d: 300 mm | D: 460 mm | B: 118 mm | Cr: 1890 kN | C0r: 3550 kN | Mass: 72.4 kg
23084B d: 420 mm | D: 620 mm | B: 150 mm | Cr: 3100 kN | C0r: 6400 kN | Mass: 157 kg
23084BK d: 420 mm | D: 620 mm | B: 150 mm | Cr: 3100 kN | C0r: 6400 kN | Mass: 157 kg
23088B d: 440 mm | D: 650 mm | B: 157 mm | Cr: 3300 kN | C0r: 6850 kN | Mass: 181 kg
23088BK d: 440 mm | D: 650 mm | B: 157 mm | Cr: 3300 kN | C0r: 6850 kN | Mass: 181 kg
23092B d: 460 mm | D: 680 mm | B: 163 mm | Cr: 3600 kN | C0r: 7450 kN | Mass: 206 kg
23092BK d: 460 mm | D: 680 mm | B: 163 mm | Cr: 3600 kN | C0r: 7450 kN | Mass: 206 kg
23096B d: 480 mm | D: 700 mm | B: 165 mm | Cr: 3650 kN | C0r: 7700 kN | Mass: 217 kg
23096BK d: 480 mm | D: 700 mm | B: 165 mm | Cr: 3650 kN | C0r: 7700 kN | Mass: 217 kg
230/500B d: 500 mm | D: 720 mm | B: 167 mm | Cr: 3850 kN | C0r: 8300 kN | Mass: 226 kg
230/500BK d: 500 mm | D: 720 mm | B: 167 mm | Cr: 3850 kN | C0r: 8300 kN | Mass: 226 kg
230/530B d: 530 mm | D: 780 mm | B: 185 mm | Cr: 4400 kN | C0r: 9350 kN | Mass: 306 kg
230/530BK d: 530 mm | D: 780 mm | B: 185 mm | Cr: 4400 kN | C0r: 9350 kN | Mass: 306 kg
230/560B d: 560 mm | D: 820 mm | B: 195 mm | Cr: 4800 kN | C0r: 10500 kN | Mass: 353 kg
230/560BK d: 560 mm | D: 820 mm | B: 195 mm | Cr: 4800 kN | C0r: 10500 kN | Mass: 353 kg
230/600B d: 600 mm | D: 870 mm | B: 200 mm | Cr: 5250 kN | C0r: 12000 kN | Mass: 400 kg
230/600BK d: 600 mm | D: 870 mm | B: 200 mm | Cr: 5250 kN | C0r: 12000 kN | Mass: 400 kg
230/630B d: 630 mm | D: 920 mm | B: 212 mm | Cr: 5900 kN | C0r: 13000 kN | Mass: 481 kg
230/630BK d: 630 mm | D: 920 mm | B: 212 mm | Cr: 5900 kN | C0r: 13000 kN | Mass: 481 kg
230/670B d: 670 mm | D: 980 mm | B: 230 mm | Cr: 6550 kN | C0r: 14600 kN | Mass: 594 kg
230/670BK d: 670 mm | D: 980 mm | B: 230 mm | Cr: 6550 kN | C0r: 14600 kN | Mass: 594 kg
230/710B d: 710 mm | D: 1030 mm | B: 236 mm | Cr: 7200 kN | C0r: 16200 kN | Mass: 663 kg
230/710BK d: 710 mm | D: 1030 mm | B: 236 mm | Cr: 7200 kN | C0r: 16200 kN | Mass: 663 kg
230/750B d: 750 mm | D: 1090 mm | B: 250 mm | Cr: 8150 kN | C0r: 18300 kN | Mass: 790 kg
230/750BK d: 750 mm | D: 1090 mm | B: 250 mm | Cr: 8150 kN | C0r: 18300 kN | Mass: 790 kg
230/800B d: 800 mm | D: 1150 mm | B: 258 mm | Cr: 8400 kN | C0r: 19500 kN | Mass: 890 kg
230/800BK d: 800 mm | D: 1150 mm | B: 258 mm | Cr: 8400 kN | C0r: 19500 kN | Mass: 890 kg
230/850B d: 850 mm | D: 1220 mm | B: 272 mm | Cr: 9750 kN | C0r: 22700 kN | Mass: 1050 kg
230/850BK d: 850 mm | D: 1220 mm | B: 272 mm | Cr: 9750 kN | C0r: 22700 kN | Mass: 1050 kg
230/900B d: 900 mm | D: 1280 mm | B: 280 mm | Cr: 10300 kN | C0r: 24700 kN | Mass: 1170 kg
230/900BK d: 900 mm | D: 1280 mm | B: 280 mm | Cr: 10300 kN | C0r: 24700 kN | Mass: 1170 kg
230/950B d: 950 mm | D: 1360 mm | B: 300 mm | Cr: 11500 kN | C0r: 28400 kN | Mass: 1430 kg
230/950BK d: 950 mm | D: 1360 mm | B: 300 mm | Cr: 11500 kN | C0r: 28400 kN | Mass: 1430 kg
230/1000B d: 1000 mm | D: 1420 mm | B: 308 mm | Cr: 12400 kN | C0r: 30000 kN | Mass: 1580 kg
230/1000BK d: 1000 mm | D: 1420 mm | B: 308 mm | Cr: 12400 kN | C0r: 30000 kN | Mass: 1580 kg
230/1060B d: 1060 mm | D: 1500 mm | B: 325 mm | Cr: 13600 kN | C0r: 33500 kN | Mass: 1850 kg
230/1060BK d: 1060 mm | D: 1500 mm | B: 325 mm | Cr: 13600 kN | C0r: 33500 kN | Mass: 1850 kg
230/1120B d: 1120 mm | D: 1580 mm | B: 345 mm | Cr: 15600 kN | C0r: 39000 kN | Mass: 2160 kg
230/1120BK d: 1120 mm | D: 1580 mm | B: 345 mm | Cr: 15600 kN | C0r: 39000 kN | Mass: 2160 kg
Spherical Roller BearingsNTN
68 product codes available in this family
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NTN 230 Series Spherical Roller Bearings (Cylindrical & Tapered Bore)

Brand NTN·Spherical Roller Bearings

Available part numbers (68)

23022B, 23022BK, 23024B, 23024BK, 23026B, 23026BK, 23028B, 23028BK, 23030B, 23030BK + 58 more — see full table ↓

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Product codes & specifications
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Product codeSpec
23022Bd: 110 mm | D: 170 mm | B: 45 mm | Cr: 282 kN | C0r: 455 kN | Mass: 3.71 kg
23022BKd: 110 mm | D: 170 mm | B: 45 mm | Cr: 282 kN | C0r: 455 kN | Mass: 3.71 kg
23024Bd: 120 mm | D: 180 mm | B: 46 mm | Cr: 296 kN | C0r: 495 kN | Mass: 4.05 kg
23024BKd: 120 mm | D: 180 mm | B: 46 mm | Cr: 296 kN | C0r: 495 kN | Mass: 4.05 kg
23026Bd: 130 mm | D: 200 mm | B: 52 mm | Cr: 375 kN | C0r: 620 kN | Mass: 5.9 kg
23026BKd: 130 mm | D: 200 mm | B: 52 mm | Cr: 375 kN | C0r: 620 kN | Mass: 5.9 kg
23028Bd: 140 mm | D: 210 mm | B: 53 mm | Cr: 405 kN | C0r: 690 kN | Mass: 6.35 kg
23028BKd: 140 mm | D: 210 mm | B: 53 mm | Cr: 405 kN | C0r: 690 kN | Mass: 6.35 kg
23030Bd: 150 mm | D: 225 mm | B: 56 mm | Cr: 445 kN | C0r: 775 kN | Mass: 7.73 kg
23030BKd: 150 mm | D: 225 mm | B: 56 mm | Cr: 445 kN | C0r: 775 kN | Mass: 7.73 kg
23032Bd: 160 mm | D: 240 mm | B: 60 mm | Cr: 505 kN | C0r: 885 kN | Mass: 9.42 kg
23032BKd: 160 mm | D: 240 mm | B: 60 mm | Cr: 505 kN | C0r: 885 kN | Mass: 9.42 kg
23034Bd: 170 mm | D: 260 mm | B: 67 mm | Cr: 630 kN | C0r: 1080 kN | Mass: 12.7 kg
23034BKd: 170 mm | D: 260 mm | B: 67 mm | Cr: 630 kN | C0r: 1080 kN | Mass: 12.7 kg
23036Bd: 180 mm | D: 280 mm | B: 74 mm | Cr: 740 kN | C0r: 1290 kN | Mass: 16.7 kg
23036BKd: 180 mm | D: 280 mm | B: 74 mm | Cr: 740 kN | C0r: 1290 kN | Mass: 16.7 kg
23038Bd: 190 mm | D: 290 mm | B: 75 mm | Cr: 755 kN | C0r: 1350 kN | Mass: 17.7 kg
23038BKd: 190 mm | D: 290 mm | B: 75 mm | Cr: 755 kN | C0r: 1350 kN | Mass: 17.7 kg
23040Bd: 200 mm | D: 310 mm | B: 82 mm | Cr: 915 kN | C0r: 1620 kN | Mass: 22.7 kg
23040BKd: 200 mm | D: 310 mm | B: 82 mm | Cr: 915 kN | C0r: 1620 kN | Mass: 22.7 kg
23044Bd: 220 mm | D: 340 mm | B: 90 mm | Cr: 1060 kN | C0r: 1920 kN | Mass: 29.9 kg
23044BKd: 220 mm | D: 340 mm | B: 90 mm | Cr: 1060 kN | C0r: 1920 kN | Mass: 29.9 kg
23048Bd: 240 mm | D: 360 mm | B: 92 mm | Cr: 1130 kN | C0r: 2140 kN | Mass: 33.4 kg
23048BKd: 240 mm | D: 360 mm | B: 92 mm | Cr: 1130 kN | C0r: 2140 kN | Mass: 33.4 kg
23052Bd: 260 mm | D: 400 mm | B: 104 mm | Cr: 1420 kN | C0r: 2620 kN | Mass: 48.5 kg
23052BKd: 260 mm | D: 400 mm | B: 104 mm | Cr: 1420 kN | C0r: 2620 kN | Mass: 48.5 kg
23056Bd: 280 mm | D: 420 mm | B: 106 mm | Cr: 1510 kN | C0r: 2920 kN | Mass: 52.4 kg
23056BKd: 280 mm | D: 420 mm | B: 106 mm | Cr: 1510 kN | C0r: 2920 kN | Mass: 52.4 kg
23060Bd: 300 mm | D: 460 mm | B: 118 mm | Cr: 1890 kN | C0r: 3550 kN | Mass: 72.4 kg
23060BKd: 300 mm | D: 460 mm | B: 118 mm | Cr: 1890 kN | C0r: 3550 kN | Mass: 72.4 kg
23084Bd: 420 mm | D: 620 mm | B: 150 mm | Cr: 3100 kN | C0r: 6400 kN | Mass: 157 kg
23084BKd: 420 mm | D: 620 mm | B: 150 mm | Cr: 3100 kN | C0r: 6400 kN | Mass: 157 kg
23088Bd: 440 mm | D: 650 mm | B: 157 mm | Cr: 3300 kN | C0r: 6850 kN | Mass: 181 kg
23088BKd: 440 mm | D: 650 mm | B: 157 mm | Cr: 3300 kN | C0r: 6850 kN | Mass: 181 kg
23092Bd: 460 mm | D: 680 mm | B: 163 mm | Cr: 3600 kN | C0r: 7450 kN | Mass: 206 kg
23092BKd: 460 mm | D: 680 mm | B: 163 mm | Cr: 3600 kN | C0r: 7450 kN | Mass: 206 kg
23096Bd: 480 mm | D: 700 mm | B: 165 mm | Cr: 3650 kN | C0r: 7700 kN | Mass: 217 kg
23096BKd: 480 mm | D: 700 mm | B: 165 mm | Cr: 3650 kN | C0r: 7700 kN | Mass: 217 kg
230/500Bd: 500 mm | D: 720 mm | B: 167 mm | Cr: 3850 kN | C0r: 8300 kN | Mass: 226 kg
230/500BKd: 500 mm | D: 720 mm | B: 167 mm | Cr: 3850 kN | C0r: 8300 kN | Mass: 226 kg
230/530Bd: 530 mm | D: 780 mm | B: 185 mm | Cr: 4400 kN | C0r: 9350 kN | Mass: 306 kg
230/530BKd: 530 mm | D: 780 mm | B: 185 mm | Cr: 4400 kN | C0r: 9350 kN | Mass: 306 kg
230/560Bd: 560 mm | D: 820 mm | B: 195 mm | Cr: 4800 kN | C0r: 10500 kN | Mass: 353 kg
230/560BKd: 560 mm | D: 820 mm | B: 195 mm | Cr: 4800 kN | C0r: 10500 kN | Mass: 353 kg
230/600Bd: 600 mm | D: 870 mm | B: 200 mm | Cr: 5250 kN | C0r: 12000 kN | Mass: 400 kg
230/600BKd: 600 mm | D: 870 mm | B: 200 mm | Cr: 5250 kN | C0r: 12000 kN | Mass: 400 kg
230/630Bd: 630 mm | D: 920 mm | B: 212 mm | Cr: 5900 kN | C0r: 13000 kN | Mass: 481 kg
230/630BKd: 630 mm | D: 920 mm | B: 212 mm | Cr: 5900 kN | C0r: 13000 kN | Mass: 481 kg
230/670Bd: 670 mm | D: 980 mm | B: 230 mm | Cr: 6550 kN | C0r: 14600 kN | Mass: 594 kg
230/670BKd: 670 mm | D: 980 mm | B: 230 mm | Cr: 6550 kN | C0r: 14600 kN | Mass: 594 kg
230/710Bd: 710 mm | D: 1030 mm | B: 236 mm | Cr: 7200 kN | C0r: 16200 kN | Mass: 663 kg
230/710BKd: 710 mm | D: 1030 mm | B: 236 mm | Cr: 7200 kN | C0r: 16200 kN | Mass: 663 kg
230/750Bd: 750 mm | D: 1090 mm | B: 250 mm | Cr: 8150 kN | C0r: 18300 kN | Mass: 790 kg
230/750BKd: 750 mm | D: 1090 mm | B: 250 mm | Cr: 8150 kN | C0r: 18300 kN | Mass: 790 kg
230/800Bd: 800 mm | D: 1150 mm | B: 258 mm | Cr: 8400 kN | C0r: 19500 kN | Mass: 890 kg
230/800BKd: 800 mm | D: 1150 mm | B: 258 mm | Cr: 8400 kN | C0r: 19500 kN | Mass: 890 kg
230/850Bd: 850 mm | D: 1220 mm | B: 272 mm | Cr: 9750 kN | C0r: 22700 kN | Mass: 1050 kg
230/850BKd: 850 mm | D: 1220 mm | B: 272 mm | Cr: 9750 kN | C0r: 22700 kN | Mass: 1050 kg
230/900Bd: 900 mm | D: 1280 mm | B: 280 mm | Cr: 10300 kN | C0r: 24700 kN | Mass: 1170 kg
230/900BKd: 900 mm | D: 1280 mm | B: 280 mm | Cr: 10300 kN | C0r: 24700 kN | Mass: 1170 kg
230/950Bd: 950 mm | D: 1360 mm | B: 300 mm | Cr: 11500 kN | C0r: 28400 kN | Mass: 1430 kg
230/950BKd: 950 mm | D: 1360 mm | B: 300 mm | Cr: 11500 kN | C0r: 28400 kN | Mass: 1430 kg
230/1000Bd: 1000 mm | D: 1420 mm | B: 308 mm | Cr: 12400 kN | C0r: 30000 kN | Mass: 1580 kg
230/1000BKd: 1000 mm | D: 1420 mm | B: 308 mm | Cr: 12400 kN | C0r: 30000 kN | Mass: 1580 kg
230/1060Bd: 1060 mm | D: 1500 mm | B: 325 mm | Cr: 13600 kN | C0r: 33500 kN | Mass: 1850 kg
230/1060BKd: 1060 mm | D: 1500 mm | B: 325 mm | Cr: 13600 kN | C0r: 33500 kN | Mass: 1850 kg
230/1120Bd: 1120 mm | D: 1580 mm | B: 345 mm | Cr: 15600 kN | C0r: 39000 kN | Mass: 2160 kg
230/1120BKd: 1120 mm | D: 1580 mm | B: 345 mm | Cr: 15600 kN | C0r: 39000 kN | Mass: 2160 kg

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