Home
Company
Profile
Equipment
Technology
Quality
Products
Ball Bearing
Minature Deep Groove Ball Bearing
Single Row Deep Groove Ball Bearing
Thrust Ball Bearing
Angular Contact Ball Bearings
Double Row Deep Groove Ball Bearings
Thin Section Bearings
Stainless Steel Bearings
Stainless Steel Balls
Stainless Steel V-Groove Guide Wheels
Stainless Steel Deep Groove Ball Bearings
Stainless Steel Angular Contact Ball Bearings
Stainless Steel Self-aligning Ball Bearings
Stainless Steel Thrust Ball Bearings
Needle Roller Bearing
Drawn Cup Needle Roller Bearings
Heavy Duty Needle Roller Bearings
One Way Clutch Bearings
Needle Roller And Cage Assemblies
Needle Roller Thrust Bearings
Aligning Needle Roller Bearings
Ceramic Bearings
Ceramic Self Aligning Bearings
Ceramic Flanged Ball Bearings
Ceramic Ball
Ceramic Components
Ceramic Deep Groove Bearings
Ceramic Thrust Ball Bearings
FRC Bearing Interchange Chart
Miniature bearings vs application
FRC Metric Miniature bearings vs Common brands
FRC Inch Miniature bearings vs Common brands
FRC Inch Miniature bearings with flanged vs Common brands
FRC Metric Miniature bearings with flanged vs Common brands
FRC MR series of Flanged vs Common brands
Dental Drill Handpiece Bearing
Other Size Of Dental Bearing
Low Speed Dental Bearing
Dental Bearing
Application
Bearing specification and application comparision
Roller skates
Bicycle
Motor
Dental drill
Fishing gear
Yo-yo
Instrumentation
Medical instruments
BRUSHLESS MOTOR EMQ BEARING
MICRO NITRO BUGGY ENGINE FRONT REAR BEARING FOR MO
HIGH PRECISION FPV MINI RC QUADCOPTER BEARING RC D
HIGH PERFORMANCE SKATEBOARD BEARING 608 8X22X7 MM
FREERUN IS A SPECIALIZED MANUFACTURER OF RC CAR & TRUCK BEARING.
Sales Center
Inventory
News
Company News
Events&Knowledge
Industry News
Contact Us
Online Inquiry
How to order
Return&Exchange Policy
Language
English
Chinese
Japanese
Russian
spanish
German
French
Hebrew
Romanian
Greek
Danish
Hungarian
Norwegian
Finnish
Dutch
Swedish
Slovak
Slovenian
Hindi
Indonesian
Malay
Maltese
Haitian Creole
Catalan
Bengali
Serbian
Uzbek
korean
Irish
Czech
Croatian
Ukrainian
Bosnian
Persian
Italian
Thai
Lithuanian
Latvian
Estonian
Portuguese
Turkish
Vietnamese
Arabic
Hmong
Bulgarian
Urdu
Icelandic
Polish
Welsh
Home
>>
Catalogues
>>
Search
All Products
Ball Bearing
Single Row Deep Groove Ball Bearing
R Series
6000 Series
6200 Series
6300 Series
6400 Series
6700 Series
6800 Series
6900 Series
1600 Series
RLS Series
Inch Deep Groove Ball Bearing
16000 Series
RMS Series
W6200 Series
W6300 Series
Double Row Deep Groove Ball Bearings
4200 Series
4300 Series
Minature Deep Groove Ball Bearing
Metric Series
60 Series
62 Series
63 Series
68 Series
69 Series
MR Series
Inch Series
Flange Series
MF/F Series
FR Series
Extended Series
Thin Section Bearings
Inch Series
Inch Size Thin Section Open Bearings
Inch Size Thin Section Sealed Bearings
Thin Section Plated Bearings
Stainless Steel Thin Section Bearings
Metric Series
6700, 6800, 6900 Series
ET & ER Series
Ultra Slim Extra Series
Angular Contact Ball Bearings
Single Row Angular Contact Ball Bearings
7000 Series
7200 Series
7300 Series
7900 Series
Super Precision High Speed Series
Double Row Angular Contact Ball Bearings
52 Series
53 Series
Spindle Super Precision High Speed Angular Contact Ball Bearings
Miniature Angular Contact Ball Bearings
Thrust Ball Bearing
Miniature Thrust Bearings
Metric Size
Inch Size
51100 Series
51200 Series
51300 Series
51400 Series
Ceramic Bearings
Ceramic Deep Groove Bearings
Inch Size
Metirc Size
Ceramic Thrust Ball Bearings
Ceramic Self Aligning Bearings
Ceramic Angular Contact Bearings
Ceramic Flanged Ball Bearings
Ceramic Ball
Ceramic Components
Ceramic Fixed Base
Ceramic Silicon Carbide U Groove Roller
Ceramic Flange Sleeve
Ceramic Silicon Nitride Base
Ceramic Zirconia Bushes And Protection Sleeves
Ceramic Silicon Nitride Lever Connecting Rod
Ceramic Silicon Nitride Outer Ring With V-groove Pulley
Ceramic Stir Bar
Ceramic Silicon Nitride Screws, Nuts, Bolts
Ceramic Zirconia Bushes And Sleeves
Ceramic Silicon Nitride Steam Nozzle
Ceramic Zirconia Sheets & Blocks
Ceramic Zirconia Ring
Ceramic Silicon Nitride With Flanged Shaft
Ceramic Zirconia Rods
Ceramic Sleeve
Ceramic Zirconia Wheel
Ceramic Zirconia Nozzle
Needle Roller Bearing
Drawn Cup Needle Roller Bearings
HK Series
HK...RS Series
HK..2RS Series
HN Series
SCE Series
SCE..-P Series
SCE..-PP Series
SCH Series
SCH..-P Series
SCH..-PP Series
BK Series
BK..-RS Series
BCE Series
BCE..-P Series
BCH Series
BCH..-P Series
Heavy Duty Needle Roller Bearings
NK Series
NKS Series
RNA49 Series
RNA48 Series
RNA69 Series
RNA49..-RSR Series
RNA49..-2RSR Series
NKI Series
NKIS Series
NA49 Series
NA48 Series
NA69 Series
NA49..-RSR Series
NA49..-2RSR Series
NAO Series
NAO..-ZW-ASR1 Series
RNAO Series
RNAO..-ZW-ASR1 Series
NCS Series
One Way Clutch Bearings
HF Series
HF..-KF Series
HF..-KF-R Series
HF..-R Series
HFL Series
HFL..-KF Series
HFL..-KF-R Series
HFL..-R Series
Needle Roller And Cage Assemblies
K Series
K..-ZW Series
C Series
Needle Roller Thrust Bearings
AXK Series
AXW Series
TC Series
Aligning Needle Roller Bearings
RPNA Series
PNA Series
Inner Rings
IR Series
IR..-IS1 Series
LR Series
PI Series
Loose Needle Rollers
Track Rollers
Yoke Type Track Rollers
RSTO Series
STO Series
RNA22..-2RSR Series
NA22..-2RSR Series
NATR..-PP Series
NATV..-PP Series
NATR Series
NATV Series
NUTR Series
PWTR..-2RS Series
NNTR..-2ZL Series
Stud Type Track Rollers
KR..-PP Series
KR Series
KRE..-PP Series
KRV..-PP Series
NUKR Series
NUKRE Series
PWKR..-2RS Series
PWKRE..-2RS Series
Stainless Steel Bearings
Stainless Steel Deep Groove Ball Bearings
Stainless Steel Self-aligning Ball Bearings
Stainless Steel Thrust Ball Bearings
Stainless Steel Angular Contact Ball Bearings
Stainless Steel Mounted Units, Pillow Blocks, Housed Unit Bearings & Inserts
SSUCP Series
SSUCPA Series
SSUCF Series
SSUCFB Series
SSUCFC Series
SSUCFL Series
SSUCT Series
SSUC Series
SSSB Series
SSCSB Series
Stainless Steel Spherical Plain Bearings and Rod Ends
SPHS Series
SPOS Series
SPHS..EC Series
SPHSB..EC Series
SPOS..EC Series
SPOSB..EC Series
SCHS Series
SCOS Series
SJF-T Series
SJM-T Series
SCOM Series
WSSB, WSSB-V Series
NSSB, NSSB-V Series
YSSB, YSSB-V Series
SGE..C Series
SGE..ET-2RS Series
SGE..E Series
SGE..ES Series
SGE..ES-2RS Series
Stainless Steel Cam Followers and Track Rollers
Stainless Steel Yoke Style Standard Cam Followers
Stainless Steel Stud Style Standard Cam Followers
Stainless Steel V-Groove Guide Wheels
Stainless Steel Balls
Tapered Roller Bearing
Inch Tapered Roller Bearing
Metric Sizes Tapered Roller Bearings
30200 Series
30300 Series
32200 Series
32300 Series
31300 Series
32000 Series
33000 Series
33200 Series
33100 Series
Non-standard bearings
Non Standard Bearing For RC Hobby
Special Sizes Miniature Ball Bearing
Dental Drill Handpiece Bearing
Dental Bearing
Low Speed Dental Bearing
Other Size Of Dental Bearing
FRC Bearing Interchange Chart
Miniature bearings vs application
FRC Metric Miniature bearings with flanged vs Common brands
FRC Metric Miniature bearings vs Common brands
FRC Inch Miniature bearings vs Common brands
FRC Inch Miniature bearings with flanged vs Common brands
FRC MR series of Flanged vs Common brands
By Keyword
By Part Number
Advanced Search
Advanced Search in 31300 Series
Enter at least one criteria to search items.
Clear All
Cancel
Designation
31305J2
31306J2/Q
31307J2/Q
31308J2/QCL7C
31309J2/QCL7C
31310J2/QCL7C
31311J2/QCL7C
31312J2/QCL7C
31313J2/QCL7C
31314J2/QCL7C
31315J2/QCL7C
31316J1/QCL7C
31317J2
31318J2
31319J2
31320XJ2/CL7CVQ051
31322XJ2
31324XJ2
31326XJ2
31328XJ2
31330XJ2
d1
100
110
120
130
140
150
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
D
100
110
120
130
140
150
160
170
180
190
200
215
240
260
280
300
320
62
72
80
90
B
18,25
20,75
22,75
25,25
27,25
29,25
31,5
33,5
36
38
40
42,5
44,5
46,5
49,5
56,5
63
68
72
77
82
dyc(Cr)
106
122
140
166
190
216
240
242
260
264
292
38
430
457
539
55
605
693
71
781
85
stc(Cor)
102
1020
120
137
166
193
220
245
265
285
315
355
40
465
50
585
67
695
780
81,5
900
Pu
100
12,5
14,3
16,6
20,4
23,6
27
29
32
33,5
36,5
39
4,4
5,7
51
62
7,8
73,5
81,5
88
9,5
Speed Ratings
1400
1500
1600
1700
1900
2400
2600
3000
3200
3400
3600
3800
4300
4500
5000
5600
6300
7500
Limiting Speed
11000
2000
2200
2400
2800
3000
3400
3800
4000
4300
4500
4800
5300
5600
6000
6700
7500
8500
9500
Weight(Kg)
0,26
0,39
0,52
0,72
0,95
1,20
1,55
1,90
12,0
15,5
18,5
2,35
2,95
24,5
29,5
3,50
4,05
4,60
5,90
6,95
8,60
Dimensions (ABMA)
7FB
7GB
d
100
110
120
130
140
150
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
d1~
103
110
116
124
131
138
145
158
176
190
204
219
234
45,8
52,7
59,6
67,1
74,7
81,5
88,4
95,9
B
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
51
57
62
66
70
75
C
13
14
15
17
18
19
21
22
23
25
26
27
28
30
32
35
38
42
44
47
50
r1
1,5
2
2,5
3
4
5
2(min)
1,5
2
2,5
3
4
r3
20
22
25
28
31
34
37
39
42
45
48
52
55
57
60
65
72
78
84
90
96
4(min)
103
109
114
121
135
145
157
169
181
34
40
45
51
57
62
68
74
80
85
91
97
a
105
110
115
125
135
150
160
170
32
37
44
49
53
60
65
72
77
82
87
92
99
da(max)
103
111
118
127
134
143
151
157
168
188
203
218
235
251
47
55
62
71
79
87
94
db(min)
100
112
118
128
138
148
158
166
176
186
201
226
245
263
283
303
55
65
71
81
91
Da(min)
104
113
123
132
141
151
159
169
179
187
202
224
244
261
280
300
59
68
76
86
95
Da(max)
3
4
5
6
7
8
9
Db(min)
10
10,5
11,5
13
14
15,5
16,5
17,5
21,5
25
26
28
30
32
5
6,5
7,5
8
9
Ca(min)
1,5
2
2,5
3
4
Cb(min)
1,5
2
2,5
3
ra(max)
0,83
rb(max)
0,72
e
0,4
Y
Yo
Clear All
Cancel