Bearing type shorthand tips

Bearing number suffix a letter is a special description.Especially old and new models are interchangeable.Switching between brands.Let a lot of colleagues confused.Xiao Ming teaches you a good way to steno bearings.

Class 0 deep groove ball bearings (single row) : 68, 69, 60, 62, 63, 64, etc. Beginning, but also 1000 beginning (cage is generally made of stamping steel plate)

604 (new) - 14 (old) 604 - Z (new) - 60014 (old) 604-2 Z (new) - (old) 604-80014 RS (new) - 160014 (old) 604-2 RS (new) - 180014 (old) 623 (new) - 23 (old) 623 - Z (new) - 60023 (old) 628/5 (new) - 2000085 (old) 639 (new) - 39 (old)639/6 - Z (new) - 3060096 (old) 6000 (new) - 100 (old) 6000-2 Z (new) - 80100 (old) 6200 (new) - 200 (old) 6200 n - 50200 6200 zinc - 150200 62200 - RS - 160500 619/500-10009/500. 16002-700010216052 m - 7000152 h

(K=11, Z=60, 2Z=80, RS=160, 2RS=180, 60=1)

61900 (new) ---1000900 (old) 61922 (new) ---1000922 (old) 618/1 (new) ---1000481 (old)

61800 (new) ---1000800 (old) (61=1000)

Class 1 self-aligning ball bearings, double row), 12, 13, 22, 23 (also called automatic centring ball bearing) beginning (4 digits with K), 108 (new) - 1018 (old) 126 (new) - 1026 (old) 1200 (new) - 1200 (old), about 1319 km (new) - 111319 h (old)

2214 k (new) - 111514 (old) 2314 k (new) - 111614 (old) (22 23 = 16 = 15)

Class 2 cylindrical roller bearings

NU1004M-- 32104H (NU10=321) NU3005K-- 3182105 N1010-- 2110 NN3009-- 3282109

N408-- 2408 NU2215M-- 32515H (RN=502) 502206H=RN206M

Type 3 self-aligning roller bearings (double row) : 230, 222, 223, etc.

22219K(new), 113519(old) 22220C(new), 53520(old) 22308C(new), 53608(old) 23022-- 3003122

23022C-- -3022k ---3113122 23022CK-- --3153122 (222=35, 223=36, C=5)

Type 4 needle roller bearings (long cylindrical roller bearings) : NA48, NA49, NA69, etc

NA**/* -- -- needle roller bearing with double locking ring on the outer ring -- -- -- single row needle roller bearing RNA with double guards on the outer ring -- -- (same as before

6 types of angular contact ball bearings (single and double row) : 70, 72, 73, 74, etc.

706 c - 36016 - j B706C 707 c - 136016 - j - 36017 - j QJF1017-116117

7 = 36 C = J;7 = 46 ACM = H;B=1(plus the front);A=4(plus the front);The CTA = KJ;CETA= kj-sh, CL=L, YA=Y, L/SO=LT, C/Z2=J/Z2, BTN1=A, ACQ1/SO=QT, BM=H, QJF=11(suffix X,M, etc. Omitted), QJF1=116, 2KDCM=3356, QJ1=176, 3312=5312, 3056312=3312ATN1

Class 7 taper roller bearings (single and double row) : 320, 322, 323, etc.

31038X2---7138 31068X2-- --7168 310/500x2 -- --71/500 30202-- --7202E 30204-- --7204E

30317-- --7317E 32204-- --7504E 32304-- --7604E 30604-- --7804Y 302216 /YB2-- --7516EK T5FD32/YB-- -- 76/32bk 31303-- --27303E 310=71, 30=7+E, 303=73+E 322=75+ E323=76+E 329=2007 306=77 3820=20771 3820=20771 3521/521=20977 3521 =20977 332= 300710 332= 30077 331= 777 313=27+E 320=200071+E SO=T

8 types of thrust ball bearings (plane seat thrust ball bearings) (3 for one group, 5 for one group) : 511, 512, 513, etc. (5 digits)

51=8, 52=38, 53=28, 511=81, 512=82, 522=382

Class 9 29340(new code)---9039340(old code)

81102-- -9102y 81210---9210 (81=9), 292244---9039244 29256---9039256 (29=9039)