• SKF 33 Series Double Row Angular Contact Ball Bearings
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SKF 33 Series Double Row Angular Contact Ball Bearings

SKF 33 Series Double Row Angular Contact Ball Bearings

SKF double row angular contact ball bearings of the 33 series, open, shielded (2Z) and sealed (2RS1), including 33 D two-piece inner ring designs.

Key features

  • Corresponds to two single row angular contact bearings back-to-back in one unit
  • Takes radial loads and axial loads in both directions plus tilting moments
  • Open design with polyamide (TN9) or steel/brass cage
  • Shielded 2Z and sealed 2RS1 versions greased for life
  • Requires less axial space than a bearing pair

Specifications

Bearing type Double row angular contact ball bearing
Series 33
Variants Open, 2Z, 2RS1, D, DNRCBM
Load direction Radial and axial (both directions)
Units mm, kN, r/min
Brand SKF
Source SKF General Catalogue 6000, p. 442-449
3302 ATN9 d: 15 mm | D: 42 mm | B: 19 mm | C: 15.1 kN | C0: 9.3 kN | Limiting speed: 16000 r/min
3303 ATN9 d: 17 mm | D: 47 mm | B: 22.2 mm | C: 21.6 kN | C0: 12.7 kN | Limiting speed: 14000 r/min
3304 A d: 20 mm | D: 52 mm | B: 22.2 mm | C: 23.6 kN | C0: 14.6 kN | Limiting speed: 13000 r/min
3304 ATN9 d: 20 mm | D: 52 mm | B: 22.2 mm | C: 23.6 kN | C0: 14.6 kN | Limiting speed: 13000 r/min
3305 A d: 25 mm | D: 62 mm | B: 25.4 mm | C: 32 kN | C0: 20.4 kN | Limiting speed: 11000 r/min
3305 ATN9 d: 25 mm | D: 62 mm | B: 25.4 mm | C: 32 kN | C0: 20.4 kN | Limiting speed: 11000 r/min
3306 A d: 30 mm | D: 72 mm | B: 30.2 mm | C: 41.5 kN | C0: 27.5 kN | Limiting speed: 9000 r/min
3306 ATN9 d: 30 mm | D: 72 mm | B: 30.2 mm | C: 41.5 kN | C0: 27.5 kN | Limiting speed: 9000 r/min
3307 A d: 35 mm | D: 80 mm | B: 34.9 mm | C: 52 kN | C0: 35.5 kN | Limiting speed: 8500 r/min
3307 ATN9 d: 35 mm | D: 80 mm | B: 34.9 mm | C: 52 kN | C0: 35.5 kN | Limiting speed: 8500 r/min
3307 DJ1 d: 35 mm | D: 80 mm | B: 34.9 mm | C: 52.7 kN | C0: 41.5 kN | Limiting speed: 8000 r/min
3308 A d: 40 mm | D: 90 mm | B: 36.5 mm | C: 64 kN | C0: 44 kN | Limiting speed: 7500 r/min
3308 ATN9 d: 40 mm | D: 90 mm | B: 36.5 mm | C: 64 kN | C0: 44 kN | Limiting speed: 7500 r/min
3308 DNRCBM d: 40 mm | D: 90 mm | B: 36.5 mm | C: 49.4 kN | C0: 41.5 kN | Limiting speed: 7000 r/min
3308 DMA d: 40 mm | D: 90 mm | B: 36.5 mm | C: 68.9 kN | C0: 64 kN | Limiting speed: 7000 r/min
3308 DTN9 d: 40 mm | D: 90 mm | B: 36.5 mm | C: 68.9 kN | C0: 64 kN | Limiting speed: 7000 r/min
3309 A d: 45 mm | D: 100 mm | B: 39.7 mm | C: 75 kN | C0: 53 kN | Limiting speed: 6700 r/min
3309 ATN9 d: 45 mm | D: 100 mm | B: 39.7 mm | C: 75 kN | C0: 53 kN | Limiting speed: 6700 r/min
3309 DNRCBM d: 45 mm | D: 100 mm | B: 39.7 mm | C: 61.8 kN | C0: 52 kN | Limiting speed: 6300 r/min
3309 DMA d: 45 mm | D: 100 mm | B: 39.7 mm | C: 79.3 kN | C0: 69.5 kN | Limiting speed: 6300 r/min
3310 A d: 50 mm | D: 110 mm | B: 44.4 mm | C: 90 kN | C0: 64 kN | Limiting speed: 6000 r/min
3310 ATN9 d: 50 mm | D: 110 mm | B: 44.4 mm | C: 90 kN | C0: 64 kN | Limiting speed: 6000 r/min
3310 DNRCBM d: 50 mm | D: 110 mm | B: 44.4 mm | C: 81.9 kN | C0: 69.5 kN | Limiting speed: 5600 r/min
3310 DMA d: 50 mm | D: 110 mm | B: 44.4 mm | C: 93.6 kN | C0: 85 kN | Limiting speed: 5600 r/min
3311 A d: 55 mm | D: 120 mm | B: 49.2 mm | C: 112 kN | C0: 81.5 kN | Limiting speed: 5300 r/min
3311 ATN9 d: 55 mm | D: 120 mm | B: 49.2 mm | C: 112 kN | C0: 81.5 kN | Limiting speed: 5300 r/min
3311 DNRCBM d: 55 mm | D: 120 mm | B: 49.2 mm | C: 95.6 kN | C0: 83 kN | Limiting speed: 5000 r/min
3311 DMA d: 55 mm | D: 120 mm | B: 49.2 mm | C: 111 kN | C0: 100 kN | Limiting speed: 5000 r/min
3312 A d: 60 mm | D: 130 mm | B: 54 mm | C: 127 kN | C0: 95 kN | Limiting speed: 5000 r/min
3313 A d: 65 mm | D: 140 mm | B: 58.7 mm | C: 146 kN | C0: 110 kN | Limiting speed: 4500 r/min
3313 DNRCBM d: 65 mm | D: 140 mm | B: 58.7 mm | C: 138 kN | C0: 122 kN | Limiting speed: 4500 r/min
3314 A d: 70 mm | D: 150 mm | B: 63.5 mm | C: 163 kN | C0: 125 kN | Limiting speed: 4300 r/min
3315 A d: 75 mm | D: 160 mm | B: 68.3 mm | C: 176 kN | C0: 140 kN | Limiting speed: 4000 r/min
3316 A d: 80 mm | D: 170 mm | B: 68.3 mm | C: 182 kN | C0: 156 kN | Limiting speed: 3600 r/min
3316 DMA d: 80 mm | D: 170 mm | B: 68.3 mm | C: 190 kN | C0: 196 kN | Limiting speed: 3600 r/min
3317 A d: 85 mm | D: 180 mm | B: 73 mm | C: 195 kN | C0: 176 kN | Limiting speed: 3400 r/min
3318 A d: 90 mm | D: 190 mm | B: 73 mm | C: 195 kN | C0: 180 kN | Limiting speed: 3200 r/min
3318 DMA d: 90 mm | D: 190 mm | B: 73 mm | C: 225 kN | C0: 250 kN | Limiting speed: 3200 r/min
3319 A d: 95 mm | D: 200 mm | B: 77.8 mm | C: 225 kN | C0: 216 kN | Limiting speed: 3000 r/min
3319 DMA d: 95 mm | D: 200 mm | B: 77.8 mm | C: 242 kN | C0: 275 kN | Limiting speed: 3000 r/min
3320 A d: 100 mm | D: 215 mm | B: 82.6 mm | C: 255 kN | C0: 255 kN | Limiting speed: 2800 r/min
3322 A d: 110 mm | D: 240 mm | B: 92.1 mm | C: 291 kN | C0: 305 kN | Limiting speed: 2600 r/min
3302 A-2Z d: 15 mm | D: 42 mm | B: 19 mm | C: 15.1 kN | C0: 9.3 kN | Limiting speed: 16000 r/min
3302 A-2RS1 d: 15 mm | D: 42 mm | B: 19 mm | C: 15.1 kN | C0: 9.3 kN | Limiting speed: 12000 r/min
3303 A-2Z d: 17 mm | D: 47 mm | B: 22.2 mm | C: 21.6 kN | C0: 12.7 kN | Limiting speed: 14000 r/min
3303 A-2RS1 d: 17 mm | D: 47 mm | B: 22.2 mm | C: 21.6 kN | C0: 12.7 kN | Limiting speed: 11000 r/min
3304 A-2Z d: 20 mm | D: 52 mm | B: 22.2 mm | C: 23.6 kN | C0: 14.6 kN | Limiting speed: 13000 r/min
3304 A-2RS1 d: 20 mm | D: 52 mm | B: 22.2 mm | C: 23.6 kN | C0: 14.6 kN | Limiting speed: 9000 r/min
3305 A-2Z d: 25 mm | D: 62 mm | B: 25.4 mm | C: 32 kN | C0: 20.4 kN | Limiting speed: 11000 r/min
3305 A-2RS1 d: 25 mm | D: 62 mm | B: 25.4 mm | C: 32 kN | C0: 20.4 kN | Limiting speed: 7500 r/min
3306 A-2Z d: 30 mm | D: 72 mm | B: 30.2 mm | C: 41.5 kN | C0: 27.5 kN | Limiting speed: 9000 r/min
3306 A-2RS1 d: 30 mm | D: 72 mm | B: 30.2 mm | C: 41.5 kN | C0: 27.5 kN | Limiting speed: 6300 r/min
3307 A-2Z d: 35 mm | D: 80 mm | B: 34.9 mm | C: 52 kN | C0: 35.5 kN | Limiting speed: 8500 r/min
3307 A-2RS1 d: 35 mm | D: 80 mm | B: 34.9 mm | C: 52 kN | C0: 35.5 kN | Limiting speed: 6000 r/min
3308 A-2Z d: 40 mm | D: 90 mm | B: 36.5 mm | C: 64 kN | C0: 44 kN | Limiting speed: 7500 r/min
3308 A-2RS1 d: 40 mm | D: 90 mm | B: 36.5 mm | C: 64 kN | C0: 44 kN | Limiting speed: 5000 r/min
3309 A-2Z d: 45 mm | D: 100 mm | B: 39.7 mm | C: 75 kN | C0: 53 kN | Limiting speed: 6700 r/min
3309 A-2RS1 d: 45 mm | D: 100 mm | B: 39.7 mm | C: 75 kN | C0: 53 kN | Limiting speed: 4800 r/min
3310 A-2Z d: 50 mm | D: 110 mm | B: 44.4 mm | C: 90 kN | C0: 64 kN | Limiting speed: 6000 r/min
3310 A-2RS1 d: 50 mm | D: 110 mm | B: 44.4 mm | C: 90 kN | C0: 64 kN | Limiting speed: 4300 r/min
3311 A-2Z d: 55 mm | D: 120 mm | B: 49.2 mm | C: 112 kN | C0: 81.5 kN | Limiting speed: 5300 r/min
3311 A-2RS1 d: 55 mm | D: 120 mm | B: 49.2 mm | C: 112 kN | C0: 81.5 kN | Limiting speed: 3800 r/min
3312 A-2Z d: 60 mm | D: 130 mm | B: 54 mm | C: 127 kN | C0: 95 kN | Limiting speed: 5000 r/min
3313 A-2Z d: 65 mm | D: 140 mm | B: 58.7 mm | C: 146 kN | C0: 110 kN | Limiting speed: 4500 r/min
3314 A-2Z d: 70 mm | D: 150 mm | B: 63.5 mm | C: 163 kN | C0: 125 kN | Limiting speed: 4300 r/min
3315 A-2Z d: 75 mm | D: 160 mm | B: 68.3 mm | C: 176 kN | C0: 140 kN | Limiting speed: 4000 r/min
Angular Contact Ball BearingsSKF
66 product codes available in this family
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SKF 33 Series Double Row Angular Contact Ball Bearings

Brand SKF·Angular Contact Ball Bearings

Available part numbers (66)

3302 ATN9, 3303 ATN9, 3304 A, 3304 ATN9, 3305 A, 3305 ATN9, 3306 A, 3306 ATN9, 3307 A, 3307 ATN9 + 56 more — see full table ↓

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Product codeSpec
3302 ATN9d: 15 mm | D: 42 mm | B: 19 mm | C: 15.1 kN | C0: 9.3 kN | Limiting speed: 16000 r/min
3303 ATN9d: 17 mm | D: 47 mm | B: 22.2 mm | C: 21.6 kN | C0: 12.7 kN | Limiting speed: 14000 r/min
3304 Ad: 20 mm | D: 52 mm | B: 22.2 mm | C: 23.6 kN | C0: 14.6 kN | Limiting speed: 13000 r/min
3304 ATN9d: 20 mm | D: 52 mm | B: 22.2 mm | C: 23.6 kN | C0: 14.6 kN | Limiting speed: 13000 r/min
3305 Ad: 25 mm | D: 62 mm | B: 25.4 mm | C: 32 kN | C0: 20.4 kN | Limiting speed: 11000 r/min
3305 ATN9d: 25 mm | D: 62 mm | B: 25.4 mm | C: 32 kN | C0: 20.4 kN | Limiting speed: 11000 r/min
3306 Ad: 30 mm | D: 72 mm | B: 30.2 mm | C: 41.5 kN | C0: 27.5 kN | Limiting speed: 9000 r/min
3306 ATN9d: 30 mm | D: 72 mm | B: 30.2 mm | C: 41.5 kN | C0: 27.5 kN | Limiting speed: 9000 r/min
3307 Ad: 35 mm | D: 80 mm | B: 34.9 mm | C: 52 kN | C0: 35.5 kN | Limiting speed: 8500 r/min
3307 ATN9d: 35 mm | D: 80 mm | B: 34.9 mm | C: 52 kN | C0: 35.5 kN | Limiting speed: 8500 r/min
3307 DJ1d: 35 mm | D: 80 mm | B: 34.9 mm | C: 52.7 kN | C0: 41.5 kN | Limiting speed: 8000 r/min
3308 Ad: 40 mm | D: 90 mm | B: 36.5 mm | C: 64 kN | C0: 44 kN | Limiting speed: 7500 r/min
3308 ATN9d: 40 mm | D: 90 mm | B: 36.5 mm | C: 64 kN | C0: 44 kN | Limiting speed: 7500 r/min
3308 DNRCBMd: 40 mm | D: 90 mm | B: 36.5 mm | C: 49.4 kN | C0: 41.5 kN | Limiting speed: 7000 r/min
3308 DMAd: 40 mm | D: 90 mm | B: 36.5 mm | C: 68.9 kN | C0: 64 kN | Limiting speed: 7000 r/min
3308 DTN9d: 40 mm | D: 90 mm | B: 36.5 mm | C: 68.9 kN | C0: 64 kN | Limiting speed: 7000 r/min
3309 Ad: 45 mm | D: 100 mm | B: 39.7 mm | C: 75 kN | C0: 53 kN | Limiting speed: 6700 r/min
3309 ATN9d: 45 mm | D: 100 mm | B: 39.7 mm | C: 75 kN | C0: 53 kN | Limiting speed: 6700 r/min
3309 DNRCBMd: 45 mm | D: 100 mm | B: 39.7 mm | C: 61.8 kN | C0: 52 kN | Limiting speed: 6300 r/min
3309 DMAd: 45 mm | D: 100 mm | B: 39.7 mm | C: 79.3 kN | C0: 69.5 kN | Limiting speed: 6300 r/min
3310 Ad: 50 mm | D: 110 mm | B: 44.4 mm | C: 90 kN | C0: 64 kN | Limiting speed: 6000 r/min
3310 ATN9d: 50 mm | D: 110 mm | B: 44.4 mm | C: 90 kN | C0: 64 kN | Limiting speed: 6000 r/min
3310 DNRCBMd: 50 mm | D: 110 mm | B: 44.4 mm | C: 81.9 kN | C0: 69.5 kN | Limiting speed: 5600 r/min
3310 DMAd: 50 mm | D: 110 mm | B: 44.4 mm | C: 93.6 kN | C0: 85 kN | Limiting speed: 5600 r/min
3311 Ad: 55 mm | D: 120 mm | B: 49.2 mm | C: 112 kN | C0: 81.5 kN | Limiting speed: 5300 r/min
3311 ATN9d: 55 mm | D: 120 mm | B: 49.2 mm | C: 112 kN | C0: 81.5 kN | Limiting speed: 5300 r/min
3311 DNRCBMd: 55 mm | D: 120 mm | B: 49.2 mm | C: 95.6 kN | C0: 83 kN | Limiting speed: 5000 r/min
3311 DMAd: 55 mm | D: 120 mm | B: 49.2 mm | C: 111 kN | C0: 100 kN | Limiting speed: 5000 r/min
3312 Ad: 60 mm | D: 130 mm | B: 54 mm | C: 127 kN | C0: 95 kN | Limiting speed: 5000 r/min
3313 Ad: 65 mm | D: 140 mm | B: 58.7 mm | C: 146 kN | C0: 110 kN | Limiting speed: 4500 r/min
3313 DNRCBMd: 65 mm | D: 140 mm | B: 58.7 mm | C: 138 kN | C0: 122 kN | Limiting speed: 4500 r/min
3314 Ad: 70 mm | D: 150 mm | B: 63.5 mm | C: 163 kN | C0: 125 kN | Limiting speed: 4300 r/min
3315 Ad: 75 mm | D: 160 mm | B: 68.3 mm | C: 176 kN | C0: 140 kN | Limiting speed: 4000 r/min
3316 Ad: 80 mm | D: 170 mm | B: 68.3 mm | C: 182 kN | C0: 156 kN | Limiting speed: 3600 r/min
3316 DMAd: 80 mm | D: 170 mm | B: 68.3 mm | C: 190 kN | C0: 196 kN | Limiting speed: 3600 r/min
3317 Ad: 85 mm | D: 180 mm | B: 73 mm | C: 195 kN | C0: 176 kN | Limiting speed: 3400 r/min
3318 Ad: 90 mm | D: 190 mm | B: 73 mm | C: 195 kN | C0: 180 kN | Limiting speed: 3200 r/min
3318 DMAd: 90 mm | D: 190 mm | B: 73 mm | C: 225 kN | C0: 250 kN | Limiting speed: 3200 r/min
3319 Ad: 95 mm | D: 200 mm | B: 77.8 mm | C: 225 kN | C0: 216 kN | Limiting speed: 3000 r/min
3319 DMAd: 95 mm | D: 200 mm | B: 77.8 mm | C: 242 kN | C0: 275 kN | Limiting speed: 3000 r/min
3320 Ad: 100 mm | D: 215 mm | B: 82.6 mm | C: 255 kN | C0: 255 kN | Limiting speed: 2800 r/min
3322 Ad: 110 mm | D: 240 mm | B: 92.1 mm | C: 291 kN | C0: 305 kN | Limiting speed: 2600 r/min
3302 A-2Zd: 15 mm | D: 42 mm | B: 19 mm | C: 15.1 kN | C0: 9.3 kN | Limiting speed: 16000 r/min
3302 A-2RS1d: 15 mm | D: 42 mm | B: 19 mm | C: 15.1 kN | C0: 9.3 kN | Limiting speed: 12000 r/min
3303 A-2Zd: 17 mm | D: 47 mm | B: 22.2 mm | C: 21.6 kN | C0: 12.7 kN | Limiting speed: 14000 r/min
3303 A-2RS1d: 17 mm | D: 47 mm | B: 22.2 mm | C: 21.6 kN | C0: 12.7 kN | Limiting speed: 11000 r/min
3304 A-2Zd: 20 mm | D: 52 mm | B: 22.2 mm | C: 23.6 kN | C0: 14.6 kN | Limiting speed: 13000 r/min
3304 A-2RS1d: 20 mm | D: 52 mm | B: 22.2 mm | C: 23.6 kN | C0: 14.6 kN | Limiting speed: 9000 r/min
3305 A-2Zd: 25 mm | D: 62 mm | B: 25.4 mm | C: 32 kN | C0: 20.4 kN | Limiting speed: 11000 r/min
3305 A-2RS1d: 25 mm | D: 62 mm | B: 25.4 mm | C: 32 kN | C0: 20.4 kN | Limiting speed: 7500 r/min
3306 A-2Zd: 30 mm | D: 72 mm | B: 30.2 mm | C: 41.5 kN | C0: 27.5 kN | Limiting speed: 9000 r/min
3306 A-2RS1d: 30 mm | D: 72 mm | B: 30.2 mm | C: 41.5 kN | C0: 27.5 kN | Limiting speed: 6300 r/min
3307 A-2Zd: 35 mm | D: 80 mm | B: 34.9 mm | C: 52 kN | C0: 35.5 kN | Limiting speed: 8500 r/min
3307 A-2RS1d: 35 mm | D: 80 mm | B: 34.9 mm | C: 52 kN | C0: 35.5 kN | Limiting speed: 6000 r/min
3308 A-2Zd: 40 mm | D: 90 mm | B: 36.5 mm | C: 64 kN | C0: 44 kN | Limiting speed: 7500 r/min
3308 A-2RS1d: 40 mm | D: 90 mm | B: 36.5 mm | C: 64 kN | C0: 44 kN | Limiting speed: 5000 r/min
3309 A-2Zd: 45 mm | D: 100 mm | B: 39.7 mm | C: 75 kN | C0: 53 kN | Limiting speed: 6700 r/min
3309 A-2RS1d: 45 mm | D: 100 mm | B: 39.7 mm | C: 75 kN | C0: 53 kN | Limiting speed: 4800 r/min
3310 A-2Zd: 50 mm | D: 110 mm | B: 44.4 mm | C: 90 kN | C0: 64 kN | Limiting speed: 6000 r/min
3310 A-2RS1d: 50 mm | D: 110 mm | B: 44.4 mm | C: 90 kN | C0: 64 kN | Limiting speed: 4300 r/min
3311 A-2Zd: 55 mm | D: 120 mm | B: 49.2 mm | C: 112 kN | C0: 81.5 kN | Limiting speed: 5300 r/min
3311 A-2RS1d: 55 mm | D: 120 mm | B: 49.2 mm | C: 112 kN | C0: 81.5 kN | Limiting speed: 3800 r/min
3312 A-2Zd: 60 mm | D: 130 mm | B: 54 mm | C: 127 kN | C0: 95 kN | Limiting speed: 5000 r/min
3313 A-2Zd: 65 mm | D: 140 mm | B: 58.7 mm | C: 146 kN | C0: 110 kN | Limiting speed: 4500 r/min
3314 A-2Zd: 70 mm | D: 150 mm | B: 63.5 mm | C: 163 kN | C0: 125 kN | Limiting speed: 4300 r/min
3315 A-2Zd: 75 mm | D: 160 mm | B: 68.3 mm | C: 176 kN | C0: 140 kN | Limiting speed: 4000 r/min

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