CARB Toroidal Roller Bearings

CARB toroidal roller bearings are a specialized self-aligning bearing type designed to handle shaft deflection, angular deviation, and dimensional changes caused by thermal variation. Their design is particularly suited for long shaft systems, heavy radial loading conditions, temperature fluctuation environments, and low-speed operation, where consistent performance and system reliability are critical.

The internal geometry is based on toroidal rolling elements that allow radial force transmission while enabling controlled axial movement inside the bearing. This structural principle helps reduce contact stress and sliding resistance compared to conventional cylindrical rolling designs, resulting in smoother motion behavior and improved operating durability.

CARB bearings are commonly applied in paper production systems, steel manufacturing lines, wind energy equipment, industrial drive systems, and large-scale machining machinery. HSN supplies engineered CARB solutions featuring refined internal geometry, selected high-grade materials, and optimized heat treatment processes. These improvements support stable load handling, extended service life, and dependable operation under combined displacement and load variation conditions. Technical support is also provided to help customers enhance equipment uptime and reduce maintenance effort.

Carb toroidal roller bearings

CARB Toroidal Roller Bearings

Advantages of CARB Toroidal Roller Bearings: 

  • Self-adjusting capability: The structure allows automatic accommodation of shaft movement and alignment deviation, helping maintain stable running conditions and reducing system disturbance.
  • Lower Friction: Friction is reduced by the toroidal roller shape, so less heat is generated and energy efficiency is improved.
  • Long service life: Stress distribution is optimized within the contact zone, reducing localized wear and supporting longer service intervals compared with conventional designs.

Specifications of CARB Toroidal Roller Bearings​

DesignationBore (mm)O. D (mm)Width (mm)
C 2206 KTN9306220
C 2206 TN9306220
C 2206 V306220
C 6006 V305545
C 2207 KTN9357223
C 2207 TN9357223
C 2207 V357223
C 2208 KTN9408023
C 2208 TN9408023
C 2208 V408023
C 4908 V406222
C 2209 KTN9458523
C 2209 TN9458523
C 2209 V458523
C 6909 V/C4S3456840
C 2210 KTN9509023
C 2210 TN9509023
C 2210 V509023
C 4010 TN9508030
C 4010 V508030
C 4910 V507222
C 6910 V507240
C 2211 KTN95510025
C 2211 KV5510025
C 2211 TN95510025
C 2211 V5510025
C 6911 V558045
C 2212 KTN96011028
C 2212 KV6011028
C 2212 TN96011028
C 2212 V6011028
C 6912 V608545
C 6912-2NSV/C3608545
C 2213 KTN96512031
C 2213 KV6512031
C 2213 TN96512031
C 2213 V6512031
C 4013-2CS5V/C3GEM96510035
C 5913 V/C4659034
C 2214 KTN97012531
C 2214 TN97012531
C 2214 V7012531
C 23147015051
C 2314 K7015051
C 22157513031
C 2215 K7513031
C 2215 KV7513031
C 2215 V7513031
C 23157516055
C 2315 K7516055
C 4015 V7511540
C 5915 V7510540
C 5915-2CS5V/C4S3GEM97510540
C 6915 V/C4VE2407510554
C 6915-2CS5V/C37510554
C 22168014033
C 2216 K8014033
C 2216 KV8014033
C 2216 V8014033
C 23168017058
C 2316 K8017058
C 22178515036
C 2217 K8515036
C 23178518060
C 2317 K8518060
C 22189016040
C 2218 K9016040
C 23189019064
C 2318 K9019064
C 5918 MB9012546
C 5918 V9012546
C 5918-2CS5V/C39012546
C 23199520067
C 2319 K9520067
C 222010018046
C 2220 K10018046
C 232010021573
C 2320 K10021573
C 3120 V10016552
C 4020 V10015050
C 4120 V/VE24010016565
C 4120-2CS5V/C3GEM910016565
C 5020 V10015067
C 222211020053
C 2222 K11020053
C 4022 MB11017060
C 4022 V11017060
C 4022-2CS5V/C3GEM911017060
C 4122 V11018069
C 4122-2CS5V/C3GEM911018069
C 3024 V12018046
C 322412021576
C 3224 K12021576
C 4024 K30V12018060
C 4024 K30V/VE24012018060
C 4024 V12018060
C 4024 V/VE24012018060
C 4024-2CS5V/C3GEM912018060
C 4124 V/C312020080
C 222613023064
C 2226 K13023064
C 402613020069
C 4026 K3013020069
C 4026 K30V13020069
C 4026 V13020069
C 4026-2CS5V/C3GEM913020069
C 4126-2CS5V/C3GEM913021080
C 222814025068
C 2228 K14025068
C 4028 K30V14021069
C 4028 V14021069
C 4128 V/VE24014022585
C 4128-2CS5V/C3GEM914022585
C 223015027073
C 2230 K15027073
C 3030 KV15022556
C 3030 MB15022556
C 3030 V/C315022556
C 313015025080
C 3130 K15025080
C 4030 K30V15022575
C 4030 V15022575
C 4030-2CS5V/C3GEM915022575
C 4130 V150250100
C 313216027086
C 3132 K16027086
C 3232160290104
C 3232 K160290104
C 403216024080
C 4032 K3016024080
C 4032 K30V16024080
C 4032 V16024080
C 4032-2CS5V/C3GEM916024080
C 223417031086
C 2234 K17031086
C 3034 M17026067
C 4034 K30V17026090
C 4034 V17026090
C 4134 K30V170280109
C 303618028074
C 3036 K18028074
C 313618030096
C 3136 K18030096
C 3236180320112
C 3236 K180320112
C 223819034092
C 2238 K19034092
C 303819029075
C 3038 K19029075
C 3138 KV190320104
C 3138 V190320104
C 304020031082
C 3040 K20031082
C 3140200340112
C 3140 K200340112
C 4040 V200310109
C 2244220400108
C 2244 K220400108
C 304422034090
C 3044 K22034090
C 3144220370120
C 3144 K220370120
C 4044 K30V220340118
C 4044 V220340118
C 304824036092
C 3048 K24036092
C 3148240400128
C 3148 K240400128
C 3052260400104
C 3052 K260400104
C 3152260440144
C 3152 K260440144
C 3056280420106
C 3056 K280420106
C 3156280460146
C 3156 K280460146
C 3060 KM300460118
C 3060 M300460118
C 3160300500160
C 3160 K300500160
C 4060 K30M300460160
C 3064 KM320480121
C 3064 M320480121
C 3164 KM320540176
C 3164 M320540176
C 3068 KM340520133
C 3068 M340520133
C 3168 KM340580190
C 3168 M340580190
C 4168 K30MB/C3340580243
C 3072 KM360540134
C 3072 M360540134
C 3172 KM360600192
C 3172 M360600192
C 3972 KM36048090
C 3972 M36048090
C 3076 KM380560135
C 3176 KMB/C3380620194
C 3080 KM400600148
C 3080 M400600148
C 3180 KM400650200
C 3180 M400650200
C 3980 KM400540106
C 3084 KM420620150
C 3084 M420620150
C 3184 KM420700224
C 3984 KM420560106
C 3984 M420560106
C 3088 KMB/C3440650157
C 3088 MB440650157
C 3188 KMB440720226
C 3188 MB440720226
C 4188 K30MB/C083440720280
C 3092 M460680163
C 3192 KM460760240
C 3192 M/C4460760240
C 3292 KMB/C084460830296
C 3292 MB/C4460830296
C 4192 K30MB460760300
C 3096 KM/C4480700165
C 3096 M/C4480700165
C 3196 KMB/C3480790248
C 3996 M480650128
C 30/500 M500720167
C 31/500 KM500830264
C 39/500 KM500670128
C 39/500 M500670128
C 41/500 K30M500830325
C 30/530 KM530780185
C 30/530 M530780185
C 31/530 KM530870272
C 30/560 KM/VE635560820195
C 39/560 KM560750140
C 39/560 M560750140
C 41/560 K30MB/C083560920355
C 30/600 KM/C3600870200
C 30/600 M600870200
C 31/600 KMB600980300
C 31/600 MB600980300
C 41/600 K30MB/C083W4600980375
C 30/630 KM/C4630920212
C 31/630 KMB6301 030315
C 39/630 KM630850165
C 39/630 M630850165
C 30/670 KM670980230
C 30/670 M670980230
C 31/670 KMB6701 090336
C 30/710 KM/CNPVE8517101 030236
C 31/710 KMB7101 150345
C 39/710 KM710950180
C 39/710 M710950180
C 40/710 K30M/C37101 030315
C 30/750 KMB/VE6357501 090250
C 30/750 MB1/VQ0777501 090250
C 31/750 KMB/C083W47501 220365
C 39/750 KM/C37501 000185
C 39/750 M7501 000185
C 30/800 KMB8001 150258
C 39/800 M8001 060195
C 30/850 KMB/C083VE5528501 220272
C 39/850 KM8501 120200
C 30/900 KMB/VE6359001 280280
C 30/950 MB9501 360300
C 30/1000 MB/C3M1 0001 420308
C 31/1000 KMB1 0001 580462
C 39/1060 KMB/C31 0601 400250
C 39/1060 MB1 0601 400250
C 49/1120 MB1/VB5691 1201 460335
C 39/1180 KMB1 1801 540272
C 39/1700 MB/VR65821 7002 180355

Application Industries

CARB toroidal roller bearings handle applications involving shaft misalignment, thermal expansion, and heavy radial loads. They perform particularly well in long shafts and heavy-duty industrial systems, delivering reliable and stable operation under complex working conditions. They serve a wide range of industries, including:

  • Metals: Rolling mills and continuous production lines use them to manage misalignment and high-temperature conditions effectively.

  • Mining: Drying, pressing, and drive sections rely on them to maintain stable performance during continuous operation and thermal expansion.

  • Wind power: Main shaft systems and gearboxes depend on them for reliable performance under variable loads and demanding conditions.

  • Industrial gearboxes: Large transmission systems use them to achieve smooth operation and effective axial displacement compensation.

  • Heavy machinery and processing equipment: Large-scale equipment applies them to meet high load requirements and misalignment tolerance needs.

HSN bearings deliver high load capacity, excellent misalignment tolerance, and long service life, helping ensure reliable performance in demanding industrial environments.

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FAQ

Most frequent questions and answers
Are your bearings in stock and ready to ship?

Yes. Most standard models are available from stock. After payment, we complete quality inspection and shipment within 3 days, ensuring fast and reliable delivery.

How do you ensure product quality?

All bearings are produced under ISO 9001:2015 standards and undergo 100% in-house inspection before shipment. We also support third-party testing reports upon request.

What is the expected service life?

Under normal operating conditions, bearings typically last 3–5 years. Proper lubrication and maintenance can further extend service life.

How are the bearings packaged and protected?

We use industrial-grade anti-rust packaging to ensure safe delivery. Custom packaging and labeling are available for OEM and bulk orders.

Can HSN bearings replace brands like SKF or NSK?

Yes. Our bearings follow international standards in dimensions and load ratings, allowing direct interchangeability with major global brands while offering better cost efficiency.

Do you provide technical support for selection and replacement?

Yes. HSN provides engineering support for model selection, replacement matching, and application optimization.