Home>Bearing knowledge>General bearing type, scale series code, bearing code indicating method

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General bearing type, scale series code, bearing code indicating method

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The general bearing type, scale series code, bearing code indicates the method as shown in the following table.

Bearing name Type code Scale series code Bearing code Double row angular touch ball bearing (0) (0) 32 33 3200 3300 Self-aligning ball bearing 1 (1) 1 (1) (0)2 twenty two (0)3 twenty three 1200 2200 1300 2300 Spherical roller bearing 2 2 2 2 2 2 2 2 12 twenty two twenty three 30 31 32 40 41 21200C 22200C 22300C 23000C 23100C 23200C 24000C 24100C Single row spherical roller bearing 2 2 2 02 03 04 20200 20300 20400 Thrust spherical roller bearing 2 2 2 92 93 94 29200 29300 29400 Single row tapered roller bearing 3 3 3 3 3 3 3 3 3 3 02 03 13 20 twenty two twenty three 29 30 31 32 30200 30300 31300 32000 32200 32300 32900 33000 33100 33200 Double row tapered roller bearing (double inner ring) Double row tapered roller bearing (double outer ring) 35 37 350000 370000 Four row tapered roller bearing 38 380000 Double row deep groove ball bearing 4 4 (2) 2 (2)3 4200 4300 Thrust ball bearing 5 5 5 5 11 12 13 14 51100 51200 51300 51400 Double direction thrust ball bearing 5 5 5 twenty two twenty three twenty four 52200 52300 52400 Thrust ball bearing with spherical race 5 5 5 32 33 34 53200 53300 53400 Two-way thrust ball bearing with spherical race 5 5 5 42 43 44 54200 54300 54400 Thrust angle touch ball bearing 56 560000 Deep groove ball bearing 6 6 6 6 16 6 6 6 6 17 37 18 19 (0)0 (1)0 (0)2 (0)3 (0)4 61700 63700 61800 61900 16000 6000 6200 6300 6400 Cage deep groove ball bearing with ball gap (6) (6) (0)2 (0)3 200 300 Angular touch ball bearing 7 7 7 7 7 19 (1)0 (0)2 (0)3 (0)4 71900 7000 7200 7300 7400 Do not leave the angle touch ball bearing S7 S70000 Inner ring away angle contact ball bearing SN7 SN70000 Angle touch ball bearing on the inner ring B7 B7 B7 B70000C B70000 AC B70000 B Two-way thrust angle contact ball bearing twenty three twenty three twenty three 44 47 49 234400 234700 234900 Thrust cylindrical roller bearings double or triple row thrust cylindrical roller bearings 8 8 8 8 8 11 12 93 74 94 81100 81200 89300 87400 89400 Two-way thrust cylindrical roller bearing 8 8 twenty two twenty three 82200 82300 Thrust tapered roller bearing 9 90000 Inner ring without rib cylindrical roller bearing NU NU NU NU NU NU 10 (0)2 twenty two (0)3 twenty three (0)4 NU 1000 NU 200 NU 2200 NU 300 NU2300 NU400 Inner ring single rib cylindrical roller bearing NJ NJ NJ NJ NJ (0)2 twenty two (0)3 twenty three (0)4 NJ 200 NJ2200 NJ300 NJ 2300 NJ400 Inner ring single rib side with flat ring cylindrical roller bearing NUP NUP NUP NUP (0)2 twenty two (0)3 twenty three NUP 200 NUP 2200 NUP 300 NUP 2300 Outer ring without rib cylindrical roller bearing N N N N N N 10 (0)2 twenty two (0)3 twenty three (0)4 N 1000 N 200 N 2200 N 300 N 2300 N 400 Outer ring single rib cylindrical roller bearing NF NF NF (0)2 (0)3 twenty three NF 200 NF 300 NF 2300 Cylindrical roller bearing without rib NB NB 0000 Cylindrical roller bearing with single rib and outer ring NFP NFP 0000 Cylindrical roller bearing with inner ring without ribs and flat retaining ring NJP NJP 0000 Cageless cylindrical roller bearing without outer ring and double locking ring NCL NCL 0000 Double row cylindrical roller bearing NN 30 NN 3000 Inner ring without rib double row cylindrical roller bearing NNU 49 NNU 4900 Cageless double row cylindrical roller bearing with inner ring without ribs on both sides with flat retaining ring NNUP NNUP 0000V Double row cylindrical roller bearing with outer ring with flat ring NNP NNP 0000 Double inner ring without retaining cage double row cylindrical roller bearing with retaining groove on both sides with sleeve sealing ring NNF NNF 0000-2LSNV Three-row cylindrical roller bearing without ribs NNTB NNTB 0000 Non-retaining three-row cylindrical roller bearing with inner ring without ribs and two flat rings NNTUP NNTUP 0000V Four-row cylindrical roller bearing without ribs NNQB NNQB 0000 Four-row cylindrical roller bearing with outer ring with flat ring NNQP NNQP 0000 Top wire outer spherical ball bearing UC UC 2 3 UC 200 UC 300 Eccentric spherical ball bearing with partial pain UEL UEL 2 3 UEL 200 UEL 300 Tapered hole outer spherical ball bearing UK UK 2 3 UK 200 UK 300 Four point touch ball bearing QJ QJ (0)2 (0)3 QJ 200 QJ 300 Pair of outer ring four point touch ball bearings QJF QJF 0000 Pair of outer ring three point touch ball bearings QJT QJT 0000 Double half inner ring three point touch ball bearing QJS QJS 0000

Note: The number in ( ) is omitted in the bearing code.

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