• SKF 23 Series Self-Aligning Ball Bearings (incl. 2RS1)
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SKF 23 Series Self-Aligning Ball Bearings (incl. 2RS1)

SKF 23 Series Self-Aligning Ball Bearings (incl. 2RS1)

SKF self-aligning ball bearings of the 23 series, with cylindrical or tapered bore and sealed 2RS1 versions.

Key features

  • Two rows of balls with a common sphered raceway in the outer ring
  • Self-aligning: compensates angular misalignment of the shaft relative to the housing
  • Lowest friction of all rolling bearings, runs cool at high speeds
  • Cylindrical bore or tapered bore 1:12 (suffix K)
  • Sealed E-2RS1 versions with NBR contact seals, greased for life

Specifications

Bearing type Self-aligning ball bearing
Series 23
Bore Cylindrical or tapered 1:12 (K)
Rows of balls 2
Units mm, kN, r/min
Brand SKF
Source SKF General Catalogue 6000, p. 484-493
2301 d: 12 mm | D: 37 mm | B: 17 mm | C: 11.7 kN | C0: 2.70 kN | Limiting speed: 28000 r/min
2302 d: 15 mm | D: 42 mm | B: 17 mm | C: 11.9 kN | C0: 2.90 kN | Limiting speed: 24000 r/min
2303 d: 17 mm | D: 47 mm | B: 19 mm | C: 14.6 kN | C0: 3.55 kN | Limiting speed: 22000 r/min
2304 TN d: 20 mm | D: 52 mm | B: 21 mm | C: 18.2 kN | C0: 4.75 kN | Limiting speed: 19000 r/min
2305 ETN9 d: 25 mm | D: 62 mm | B: 24 mm | C: 27 kN | C0: 7.1 kN | Limiting speed: 16000 r/min
2306 d: 30 mm | D: 72 mm | B: 27 mm | C: 31.2 kN | C0: 8.8 kN | Limiting speed: 13000 r/min
2306 K d: 30 mm | D: 72 mm | B: 27 mm | C: 31.2 kN | C0: 8.8 kN | Limiting speed: 13000 r/min
2307 ETN9 d: 35 mm | D: 80 mm | B: 31 mm | C: 39.7 kN | C0: 11.2 kN | Limiting speed: 12000 r/min
2307 EKTN9 d: 35 mm | D: 80 mm | B: 31 mm | C: 39.7 kN | C0: 11.2 kN | Limiting speed: 12000 r/min
2308 ETN9 d: 40 mm | D: 90 mm | B: 33 mm | C: 54 kN | C0: 16 kN | Limiting speed: 10000 r/min
2308 EKTN9 d: 40 mm | D: 90 mm | B: 33 mm | C: 54 kN | C0: 16 kN | Limiting speed: 10000 r/min
2309 ETN9 d: 45 mm | D: 100 mm | B: 36 mm | C: 63.7 kN | C0: 19.3 kN | Limiting speed: 9000 r/min
2309 EKTN9 d: 45 mm | D: 100 mm | B: 36 mm | C: 63.7 kN | C0: 19.3 kN | Limiting speed: 9000 r/min
2310 d: 50 mm | D: 110 mm | B: 40 mm | C: 63.7 kN | C0: 20 kN | Limiting speed: 9500 r/min
2310 K d: 50 mm | D: 110 mm | B: 40 mm | C: 63.7 kN | C0: 20 kN | Limiting speed: 9500 r/min
2311 d: 55 mm | D: 120 mm | B: 43 mm | C: 76.1 kN | C0: 24 kN | Limiting speed: 7500 r/min
2311 K d: 55 mm | D: 120 mm | B: 43 mm | C: 76.1 kN | C0: 24 kN | Limiting speed: 7500 r/min
2312 d: 60 mm | D: 130 mm | B: 46 mm | C: 87.1 kN | C0: 28.5 kN | Limiting speed: 7000 r/min
2312 K d: 60 mm | D: 130 mm | B: 46 mm | C: 87.1 kN | C0: 28.5 kN | Limiting speed: 7000 r/min
2313 d: 65 mm | D: 140 mm | B: 48 mm | C: 95.6 kN | C0: 32.5 kN | Limiting speed: 6300 r/min
2313 K d: 65 mm | D: 140 mm | B: 48 mm | C: 95.6 kN | C0: 32.5 kN | Limiting speed: 6300 r/min
2314 d: 70 mm | D: 150 mm | B: 51 mm | C: 111 kN | C0: 37.5 kN | Limiting speed: 6000 r/min
2315 d: 75 mm | D: 160 mm | B: 55 mm | C: 124 kN | C0: 43 kN | Limiting speed: 5600 r/min
2315 K d: 75 mm | D: 160 mm | B: 55 mm | C: 124 kN | C0: 43 kN | Limiting speed: 5600 r/min
2316 d: 80 mm | D: 170 mm | B: 58 mm | C: 135 kN | C0: 49 kN | Limiting speed: 5300 r/min
2316 K d: 80 mm | D: 170 mm | B: 58 mm | C: 135 kN | C0: 49 kN | Limiting speed: 5300 r/min
2317 d: 85 mm | D: 180 mm | B: 60 mm | C: 140 kN | C0: 51 kN | Limiting speed: 4800 r/min
2317 K d: 85 mm | D: 180 mm | B: 60 mm | C: 140 kN | C0: 51 kN | Limiting speed: 4800 r/min
2318 M d: 90 mm | D: 190 mm | B: 64 mm | C: 153 kN | C0: 57 kN | Limiting speed: 4500 r/min
2318 KM d: 90 mm | D: 190 mm | B: 64 mm | C: 153 kN | C0: 57 kN | Limiting speed: 4500 r/min
2319 M d: 95 mm | D: 200 mm | B: 67 mm | C: 165 kN | C0: 64 kN | Limiting speed: 4500 r/min
2320 M d: 100 mm | D: 215 mm | B: 73 mm | C: 190 kN | C0: 80 kN | Limiting speed: 4000 r/min
2320 KM d: 100 mm | D: 215 mm | B: 73 mm | C: 190 kN | C0: 80 kN | Limiting speed: 4000 r/min
2302 E-2RS1TN9 d: 15 mm | D: 42 mm | B: 17 mm | C: 10.8 kN | C0: 2.6 kN | Speed rating: 12000 r/min
2303 E-2RS1TN9 d: 17 mm | D: 47 mm | B: 19 mm | C: 12.7 kN | C0: 3.4 kN | Speed rating: 11000 r/min
2304 E-2RS1TN9 d: 20 mm | D: 52 mm | B: 21 mm | C: 14.3 kN | C0: 4 kN | Speed rating: 9000 r/min
2305 E-2RS1TN9 d: 25 mm | D: 62 mm | B: 24 mm | C: 19 kN | C0: 5.4 kN | Speed rating: 7500 r/min
2306 E-2RS1TN9 d: 30 mm | D: 72 mm | B: 27 mm | C: 22.5 kN | C0: 6.8 kN | Speed rating: 6700 r/min
2307 E-2RS1TN9 d: 35 mm | D: 80 mm | B: 31 mm | C: 26.5 kN | C0: 8.5 kN | Speed rating: 5600 r/min
2308 E-2RS1TN9 d: 40 mm | D: 90 mm | B: 33 mm | C: 33.8 kN | C0: 11.2 kN | Speed rating: 5000 r/min
2309 E-2RS1TN9 d: 45 mm | D: 100 mm | B: 36 mm | C: 39 kN | C0: 13.4 kN | Speed rating: 4500 r/min
2310 E-2RS1TN9 d: 50 mm | D: 110 mm | B: 40 mm | C: 43.6 kN | C0: 14 kN | Speed rating: 4000 r/min
Self-Aligning Ball BearingsSKF
42 product codes available in this family
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SKF 23 Series Self-Aligning Ball Bearings (incl. 2RS1)

Brand SKF·Self-Aligning Ball Bearings

Available part numbers (42)

2301, 2302, 2303, 2304 TN, 2305 ETN9, 2306, 2306 K, 2307 ETN9, 2307 EKTN9, 2308 ETN9 + 32 more — see full table ↓

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Product codeSpec
2301d: 12 mm | D: 37 mm | B: 17 mm | C: 11.7 kN | C0: 2.70 kN | Limiting speed: 28000 r/min
2302d: 15 mm | D: 42 mm | B: 17 mm | C: 11.9 kN | C0: 2.90 kN | Limiting speed: 24000 r/min
2303d: 17 mm | D: 47 mm | B: 19 mm | C: 14.6 kN | C0: 3.55 kN | Limiting speed: 22000 r/min
2304 TNd: 20 mm | D: 52 mm | B: 21 mm | C: 18.2 kN | C0: 4.75 kN | Limiting speed: 19000 r/min
2305 ETN9d: 25 mm | D: 62 mm | B: 24 mm | C: 27 kN | C0: 7.1 kN | Limiting speed: 16000 r/min
2306d: 30 mm | D: 72 mm | B: 27 mm | C: 31.2 kN | C0: 8.8 kN | Limiting speed: 13000 r/min
2306 Kd: 30 mm | D: 72 mm | B: 27 mm | C: 31.2 kN | C0: 8.8 kN | Limiting speed: 13000 r/min
2307 ETN9d: 35 mm | D: 80 mm | B: 31 mm | C: 39.7 kN | C0: 11.2 kN | Limiting speed: 12000 r/min
2307 EKTN9d: 35 mm | D: 80 mm | B: 31 mm | C: 39.7 kN | C0: 11.2 kN | Limiting speed: 12000 r/min
2308 ETN9d: 40 mm | D: 90 mm | B: 33 mm | C: 54 kN | C0: 16 kN | Limiting speed: 10000 r/min
2308 EKTN9d: 40 mm | D: 90 mm | B: 33 mm | C: 54 kN | C0: 16 kN | Limiting speed: 10000 r/min
2309 ETN9d: 45 mm | D: 100 mm | B: 36 mm | C: 63.7 kN | C0: 19.3 kN | Limiting speed: 9000 r/min
2309 EKTN9d: 45 mm | D: 100 mm | B: 36 mm | C: 63.7 kN | C0: 19.3 kN | Limiting speed: 9000 r/min
2310d: 50 mm | D: 110 mm | B: 40 mm | C: 63.7 kN | C0: 20 kN | Limiting speed: 9500 r/min
2310 Kd: 50 mm | D: 110 mm | B: 40 mm | C: 63.7 kN | C0: 20 kN | Limiting speed: 9500 r/min
2311d: 55 mm | D: 120 mm | B: 43 mm | C: 76.1 kN | C0: 24 kN | Limiting speed: 7500 r/min
2311 Kd: 55 mm | D: 120 mm | B: 43 mm | C: 76.1 kN | C0: 24 kN | Limiting speed: 7500 r/min
2312d: 60 mm | D: 130 mm | B: 46 mm | C: 87.1 kN | C0: 28.5 kN | Limiting speed: 7000 r/min
2312 Kd: 60 mm | D: 130 mm | B: 46 mm | C: 87.1 kN | C0: 28.5 kN | Limiting speed: 7000 r/min
2313d: 65 mm | D: 140 mm | B: 48 mm | C: 95.6 kN | C0: 32.5 kN | Limiting speed: 6300 r/min
2313 Kd: 65 mm | D: 140 mm | B: 48 mm | C: 95.6 kN | C0: 32.5 kN | Limiting speed: 6300 r/min
2314d: 70 mm | D: 150 mm | B: 51 mm | C: 111 kN | C0: 37.5 kN | Limiting speed: 6000 r/min
2315d: 75 mm | D: 160 mm | B: 55 mm | C: 124 kN | C0: 43 kN | Limiting speed: 5600 r/min
2315 Kd: 75 mm | D: 160 mm | B: 55 mm | C: 124 kN | C0: 43 kN | Limiting speed: 5600 r/min
2316d: 80 mm | D: 170 mm | B: 58 mm | C: 135 kN | C0: 49 kN | Limiting speed: 5300 r/min
2316 Kd: 80 mm | D: 170 mm | B: 58 mm | C: 135 kN | C0: 49 kN | Limiting speed: 5300 r/min
2317d: 85 mm | D: 180 mm | B: 60 mm | C: 140 kN | C0: 51 kN | Limiting speed: 4800 r/min
2317 Kd: 85 mm | D: 180 mm | B: 60 mm | C: 140 kN | C0: 51 kN | Limiting speed: 4800 r/min
2318 Md: 90 mm | D: 190 mm | B: 64 mm | C: 153 kN | C0: 57 kN | Limiting speed: 4500 r/min
2318 KMd: 90 mm | D: 190 mm | B: 64 mm | C: 153 kN | C0: 57 kN | Limiting speed: 4500 r/min
2319 Md: 95 mm | D: 200 mm | B: 67 mm | C: 165 kN | C0: 64 kN | Limiting speed: 4500 r/min
2320 Md: 100 mm | D: 215 mm | B: 73 mm | C: 190 kN | C0: 80 kN | Limiting speed: 4000 r/min
2320 KMd: 100 mm | D: 215 mm | B: 73 mm | C: 190 kN | C0: 80 kN | Limiting speed: 4000 r/min
2302 E-2RS1TN9d: 15 mm | D: 42 mm | B: 17 mm | C: 10.8 kN | C0: 2.6 kN | Speed rating: 12000 r/min
2303 E-2RS1TN9d: 17 mm | D: 47 mm | B: 19 mm | C: 12.7 kN | C0: 3.4 kN | Speed rating: 11000 r/min
2304 E-2RS1TN9d: 20 mm | D: 52 mm | B: 21 mm | C: 14.3 kN | C0: 4 kN | Speed rating: 9000 r/min
2305 E-2RS1TN9d: 25 mm | D: 62 mm | B: 24 mm | C: 19 kN | C0: 5.4 kN | Speed rating: 7500 r/min
2306 E-2RS1TN9d: 30 mm | D: 72 mm | B: 27 mm | C: 22.5 kN | C0: 6.8 kN | Speed rating: 6700 r/min
2307 E-2RS1TN9d: 35 mm | D: 80 mm | B: 31 mm | C: 26.5 kN | C0: 8.5 kN | Speed rating: 5600 r/min
2308 E-2RS1TN9d: 40 mm | D: 90 mm | B: 33 mm | C: 33.8 kN | C0: 11.2 kN | Speed rating: 5000 r/min
2309 E-2RS1TN9d: 45 mm | D: 100 mm | B: 36 mm | C: 39 kN | C0: 13.4 kN | Speed rating: 4500 r/min
2310 E-2RS1TN9d: 50 mm | D: 110 mm | B: 40 mm | C: 43.6 kN | C0: 14 kN | Speed rating: 4000 r/min

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