ball and roller bearings - NTN Bearing Corporation of

SELF-ALIGNING BALL BEARINGS
Bearing No. Bore O.D. Width
Fillet
Radius
Basic Load
Ratings (lbs)
Weight (lbs)
Limiting Speeds
(rpm)
Dynamic Static Grease Oil
23 23K d D B r C C0 22 22K
2300 — 0.3937 1.3780 0.6693 0.024 2,270 485 0.183 — 17,000 20,000
10 35 17 0.6
2301 — 0.4724 1.4567 0.6693 0.039 2,640 610 0.201 — 15,000 17,000
12 37 17 1
2302 — 0.5906 1.6535 0.6693 0.039 2,700 650 0.251 — 13,000 15,000
15 42 17 1
2303 — 0.6693 1.8504 0.7480 0.039 3,250 800 0.348 — 11,000 14,000
17 47 19 1
2304 2304K 0.7874 2.0472 0.8268 0.043 4,050 1,060 0.461 0.452 10,000 12,000
20 52 21 1.1
2305 2305K 0.9843 2.4409 0.9449 0.043 5,500 1,480 0.739 0.721 8,500 10,000
25 62 24 1.1
2306 2306K 1.1811 2.8346 1.0630 0.043 7,050 1,970 1.10 1.08 7,200 8,500
30 72 27 1.1
2307 2307K 1.3780 3.1496 1.2205 0.059 8,850 2,530 1.49 1.45 6,300 7,400
35 80 31 1.5
2308 2308K 1.5748 3.5433 1.2992 0.059 10,100 3,050 2.04 1.99 5,600 6,600
40 90 33 1.5
2309 2309K 1.7717 3.9370 1.4173 0.059 12,200 3,750 2.71 2.65 5,000 5,900
45 100 36 1.5
2310 2310K 1.9685 4.3307 1.5748 0.079 14,500 4,550 3.62 3.53 4,600 5,400
50 110 40 2.0
2311 2311K 2.1654 4.7244 1.6929 0.079 16,900 5,400 4.63 4.52 4,200 4,900
55 120 43 2.0
2312 2312K 2.3622 5.1181 1.8110 0.083 19,600 6,350 5.73 5.58 3,800 4,500
60 130 46 2.1
2313 2313K 2.5591 5.5118 1.8898 0.083 21,600 7,300 7.12 6.94 3,600 4,200
65 140 48 2.1
2314 — 2.7559 5.9055 2.0079 0.083 24,600 8,450 8.60 — 3,300 3,900
70 150 51 2.1
2315 2315K 2.9528 6.2992 2.1654 0.083 27,700 9,650 10.4 10.2 3,100 3,600
75 160 55 2.1
2316 2316K 3.1496 6.6929 2.2835 0.083 28,800 10,200 13.4 13.1 2,900 3,400
80 170 58 2.1
2317 2317K 3.3465 7.0866 2.3622 0.118 31,500 11,500 15.5 15.2 2,700 3,200
85 180 60 3
2318 2318K 3.5433 7.4803 2.5197 0.118 34,000 12,900 18.6 18.2 2,600 3,000
90 190 64 3
2319 2319K 3.7402 7.8740 2.6378 0.118 37,000 14,500 21.6 21.1 2,400 2,800
95 200 67 3
2320 2320K 3.9370 8.4646 2.8740 0.118 43,000 17,800 27.3 26.7 2,300 2,700
100 215 73 3
2321 — 4.1339 8.8583 3.0315 0.118 46,000 19,500 31.5 — 2,200 2,600
105 225 77 3
2322 2322K 4.3307 9.4488 3.1496 0.118 48,500 21,300 38.1 37.3 2,100 2,400
110 240 80 3
The d dimension for the tapered bore is measured from the side of the bearing with the smallest bore dimension.
Units: INCHES
Millimeters
Cylindrical
Bore
23
SERIES
23
23K
Tapered Bore
23K
Taper 1:12
61