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UC series

Material Chrome Steel Gcr15
Clearance C2 C0 C3 C4
Vibration ZV1 ZV2 ZV3 ZV4
Hardness HRC60--HRC63
Cage Steel brass or nylon
Lubrication Grease or oil
Precision P0 P6 P5
Seals ZZ 2RS OPEN
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Bearing No.Shaft Dia.                  Dimension mmDynamic loadStatie loadWeight (kg)
din.ratingsratings （KN）
(in.)(mm)DBCSS1GhdsCr （KN）Cor （KN）
UC 201
1247  1.850431  1.220516  0.629912.7  0.500018.3  0.72054.7  0.18504.4   0.1732M6×1          
1/4-28UNF		9.886.650.19
201-81/2
0.19
202
150.19
202-99/16
0.19
202-105/8
0.19
203
170.19
203-1111/16
0.19
204
200.17
204-123/4
0.18
UC   205
2552  2.047234.1  1.342517
 0.6693		14.3  0.563019.8  0.77955.5  0.21654.3  0.1693M6×1           1/4-28UNF10.789.930.19
205-147/8
0.22
205-1515/16
0.20
205-161
0.19
UC    206
3062  2.440938.1  1.500019  0.748015.9  0.626022.2  0.87405.5  0.21655  0.1969M6×1           1/4-28UNF14.9711.310.31
206-171-11/16
0.34
206-181-1/8
0.34
206-191-3/16
0.32
206-201-1/4
0.30
UC    207
3572  2.834642.9  1.689020  0.787417.5 0.689025.4  1.00006.5  0.25595.8  0.2283M8×1           5/16-24UNF19.7515.300.46
207-201-1/4
0.52
207-2115/16
0.50
207-221-3/8
0.48
207-231-7/16
0.45
UC  208
4080  3.149649.2  1.937021  0.826819  0.748030.2  1.18908  0.31506.3  0.2480M8×1           5/16-24UNF25.0919.840.63
208-241-1/2
0.68
208-251-9/16
0.64
UC   209
4585  3.346549.2  1.937022  0.866119  0.748030.2  1.18908  0.31506.8  0.2677M8×1           5/16-24UNF25.1420.460.68
209-261-5/8
0.78
209-271-11/16
0.74
209-281-3/4
0.70
UC  210
5090  3.543351.6  2.031524  0.944919  0.748032.6  1.28359  0.35436.5  0.2559M10×1.25          3/8-24UNF26.9823.180.78
210-301-7/8
0.85
210-311-15/16
0.80
UC   211
55100  3.937055.6  2.189025  0.984322.2  0.874033.4  1.31509  0.35437.2  0.2835M10×1.25          3/8-24UNF33.3729.221.07
211-322
1.22
211-342-1/8
1.10
211-352-3/16
1.05
UC   212
60110  4.330765.1  2.563027  1.063025.4  1.000039.7  1.563010.5  0.41348.2  0.3228M10×1.25          3/8-24UNF36.7432.931.51
212-362-1/4
1.65
212-382-3/8
1.53
212-392-7/16
1.45
UC  213
65120  4.724465.1  2.563029
1.1417		25.4  1.000039.7  1.563012  0.47248  0.3150M10×1.25          3/8-24UNF44.01401.86
213-392-7/16
1.96
213-402-1/2
1.94
UC  214
70125  4.921374.6  2.937030  1.181130.2  1.189044.4  1.748012  0.47249  0.3543M12×1.25          7/16-20UNF46.8452.05
214-432-11/16
2.04
214-442-3/4
2.06
UC  215
75130  5.118177.8  3.063030  1.181133.3  1.311044.5  1.752012  0.47209  0.3543M12×1.25          7/16-20UNF50.849.52.21
215-472-15/16
2.3
215-483
2.13
UC216
80140
5.5118		82.6
3.2520		33
1.2992		33.3
1.3110		49.3
1.9410		14
0.5512		10.3
0.4055		M12×1.25          7/16-20UNF55.0453.312.79
UC 217
85150
5.9055		85.7
3.3740		35
1.3780		34.1
1.3425		51.6
2.0315		14
0.5512		11
0.4331		M12×1.25          7/16-20UNF63.9863.893.38
217-523-1/4
3.59
UC 218
90160
6.2992		96
3.7795		37
1.4567		39.7
1.5630		56.3
2.2165		14
0.5512		12
0.4724		M12×1.25          1/2-20UNF73.8370.764.46
218-563-1/2
4.56

Tolerance Class

Standard

Tolerance class

GB/T307.1

PO

P6

P5

P4

IS0492

C LASSO

CLASS6

CLASS5

CLASS4

AFBMA STD.20

ABEC1

ABEC3

ABEC5

ABEC7

Bearing Material

Chrome Steel: Chemical Composition of Chrome Steel

Steel No

Chemical Composition%

C

Si

Mn

P

S

Cr

Gcr15

0.95-1.05

0.15-0.35

0.20-0.40

≤0.027

≤0.02

1.30-1.65

The Interchange of Chrome Steel No.

Country

China

ISO

U.S.A

Germany

Japan

Sweden

Bearings
Steel No.

Gcr15

638/XVII 1

(AISI)52100

(DIN)100Cr6

(Jis)SVJ2

SKF3



Bearing No.Shaft Dia.                  Dimension mmDynamic loadStatie loadWeight (kg)
din.ratingsratings （KN）
(in.)(mm)DBCSS1GhdsCr （KN）Cor （KN）
UC 201
1247  1.850431  1.220516  0.629912.7  0.500018.3  0.72054.7  0.18504.4   0.1732M6×1          
1/4-28UNF		9.886.650.19
201-81/2
0.19
202
150.19
202-99/16
0.19
202-105/8
0.19
203
170.19
203-1111/16
0.19
204
200.17
204-123/4
0.18
UC   205
2552  2.047234.1  1.342517
 0.6693		14.3  0.563019.8  0.77955.5  0.21654.3  0.1693M6×1           1/4-28UNF10.789.930.19
205-147/8
0.22
205-1515/16
0.20
205-161
0.19
UC    206
3062  2.440938.1  1.500019  0.748015.9  0.626022.2  0.87405.5  0.21655  0.1969M6×1           1/4-28UNF14.9711.310.31
206-171-11/16
0.34
206-181-1/8
0.34
206-191-3/16
0.32
206-201-1/4
0.30
UC    207
3572  2.834642.9  1.689020  0.787417.5 0.689025.4  1.00006.5  0.25595.8  0.2283M8×1           5/16-24UNF19.7515.300.46
207-201-1/4
0.52
207-2115/16
0.50
207-221-3/8
0.48
207-231-7/16
0.45
UC  208
4080  3.149649.2  1.937021  0.826819  0.748030.2  1.18908  0.31506.3  0.2480M8×1           5/16-24UNF25.0919.840.63
208-241-1/2
0.68
208-251-9/16
0.64
UC   209
4585  3.346549.2  1.937022  0.866119  0.748030.2  1.18908  0.31506.8  0.2677M8×1           5/16-24UNF25.1420.460.68
209-261-5/8
0.78
209-271-11/16
0.74
209-281-3/4
0.70
UC  210
5090  3.543351.6  2.031524  0.944919  0.748032.6  1.28359  0.35436.5  0.2559M10×1.25          3/8-24UNF26.9823.180.78
210-301-7/8
0.85
210-311-15/16
0.80
UC   211
55100  3.937055.6  2.189025  0.984322.2  0.874033.4  1.31509  0.35437.2  0.2835M10×1.25          3/8-24UNF33.3729.221.07
211-322
1.22
211-342-1/8
1.10
211-352-3/16
1.05
UC   212
60110  4.330765.1  2.563027  1.063025.4  1.000039.7  1.563010.5  0.41348.2  0.3228M10×1.25          3/8-24UNF36.7432.931.51
212-362-1/4
1.65
212-382-3/8
1.53
212-392-7/16
1.45
UC  213
65120  4.724465.1  2.563029
1.1417		25.4  1.000039.7  1.563012  0.47248  0.3150M10×1.25          3/8-24UNF44.01401.86
213-392-7/16
1.96
213-402-1/2
1.94
UC  214
70125  4.921374.6  2.937030  1.181130.2  1.189044.4  1.748012  0.47249  0.3543M12×1.25          7/16-20UNF46.8452.05
214-432-11/16
2.04
214-442-3/4
2.06
UC  215
75130  5.118177.8  3.063030  1.181133.3  1.311044.5  1.752012  0.47209  0.3543M12×1.25          7/16-20UNF50.849.52.21
215-472-15/16
2.3
215-483
2.13
UC216
80140
5.5118		82.6
3.2520		33
1.2992		33.3
1.3110		49.3
1.9410		14
0.5512		10.3
0.4055		M12×1.25          7/16-20UNF55.0453.312.79
UC 217
85150
5.9055		85.7
3.3740		35
1.3780		34.1
1.3425		51.6
2.0315		14
0.5512		11
0.4331		M12×1.25          7/16-20UNF63.9863.893.38
217-523-1/4
3.59
UC 218
90160
6.2992		96
3.7795		37
1.4567		39.7
1.5630		56.3
2.2165		14
0.5512		12
0.4724		M12×1.25          1/2-20UNF73.8370.764.46
218-563-1/2
4.56

Tolerance Class

Standard

Tolerance class

GB/T307.1

PO

P6

P5

P4

IS0492

C LASSO

CLASS6

CLASS5

CLASS4

AFBMA STD.20

ABEC1

ABEC3

ABEC5

ABEC7

Bearing Material

Chrome Steel: Chemical Composition of Chrome Steel

Steel No

Chemical Composition%

C

Si

Mn

P

S

Cr

Gcr15

0.95-1.05

0.15-0.35

0.20-0.40

≤0.027

≤0.02

1.30-1.65

The Interchange of Chrome Steel No.

Country

China

ISO

U.S.A

Germany

Japan

Sweden

Bearings
Steel No.

Gcr15

638/XVII 1

(AISI)52100

(DIN)100Cr6

(Jis)SVJ2

SKF3


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