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{"title":"6002 Rubber Sealed Single Row Ball Bearings ABEC-3 Precision","imgUrl":"https:\/\/img.chinax.com\/nimg\/13\/d3\/8f09f4d5c25e092dc78493d30592-200x200-1\/6002_rubber_sealed_single_row_ball_bearings_abec_3_precision.jpg","attrs":{"Brand Name":"BUGAO","Model Number":"6000 6001 6002-2RS","Certification":"ISO9001:2015","Place of Origin":"China"}}
{"title":"Chrome Steel 686 ZZ Bearing P0 P6 P5 P4 686 2RS Bearing For Electrical Tooling","imgUrl":"https:\/\/img.chinax.com\/nimg\/35\/5c\/d907c3fedbbe71cdd4944a68f64d-200x200-1\/chrome_steel_686_zz_bearing_p0_p6_p5_p4_686_2rs_bearing_for_electrical_tooling.jpg","attrs":{"Brand Name":"BUGAO","Model Number":"686","Certification":"ISO9001:2015","Place of Origin":"China"}}
{"title":"Mini Size Electric Motor Bearing C2 C0 C3 C4 6003 Bearing For Industrial Motors","imgUrl":"https:\/\/img.chinax.com\/nimg\/a1\/b0\/7003dab88537252889d4de862289-200x200-1\/mini_size_electric_motor_bearing_c2_c0_c3_c4_6003_bearing_for_industrial_motors.jpg","attrs":{"Brand Name":"BUGAO","Model Number":"6002, 6003","Certification":"ISO 9001:2015","Place of Origin":"China"}}
{"title":"High speed and low noise for all kinds of motors 6000 and 6001 Bearing","imgUrl":"https:\/\/img.chinax.com\/nimg\/71\/16\/2b9c527df36ab753081887dd34f7-200x200-1\/high_speed_and_low_noise_for_all_kinds_of_motors_6000_and_6001_bearing.jpg","attrs":{"Brand Name":"BUGAO","Model Number":"606, 608, 609 ,6005, 6002","Certification":"ISO 9001:2015","Place of Origin":"China"}}
The 628 series bearings are high-performance miniature bearings designed for precision and durability in demanding industrial environments. Known for their compact design and versatility, these bearings are ideal for applications requiring smooth operation, high rotational speeds, and low noise.
Material Options: Chrome steel (standard) or stainless steel (corrosion-resistant).
Versatile Sealing: Available in OPEN, ZZ (metal shields), or 2RS (rubber seals) configurations.
Typical Applications:
Small Motors: Cooling fans, drone motors, and power tools.
Medical Devices: Dental handpieces, lab equipment, and imaging systems.
Office Equipment: Printers, scanners, and CNC spindle accessories.
Robotics: Joints and actuators requiring precise motion control.
Comparison: 628 ZZ vs. 628 2RS vs. 628 OPEN
Feature
628 ZZ
628 2RS
628 OPEN
Sealing Type
Metal shields (both sides)
Rubber seals (both sides)
No sealing
Protection Level
Dust resistance
Water/dust resistance
None
Speed Rating
High (30,000 RPM)
Moderate (25,000 RPM)
Highest (35,000 RPM)
Lubrication
Pre-greased
Pre-greased
Requires external grease
Maintenance
Low
Low
Frequent relubrication
Typical Use
Clean environments
Harsh/dirty conditions
High-speed, clean setups
Shared Attributes:
Dimensions: 8x24x8 mm (IDxODxWidth).
Dynamic Load: ~1.3 kN; Static Load: ~0.5 kN.
ABEC Rating: ABEC-1 (standard) or ABEC-3 (on request).
Material: Chrome steel (GCR15) or stainless steel (AISI 440).
This series is widely used in miniature bearings markets due to its balance of performance and cost. For interchangeable options, the 628 bearing matches with MR84 (Japanese) or R-1240 (American) standards.
Technical Parameters of Power Tool Ball bearings:
Basic Bearing No.
Bore d
Outer Diameter D
Width W
Radius r
Basic Load Rating KN
Maximum Run out Speed
Weight Kg/pc
Dynamic
Static
Grease
Oil
mm
inch
mm
inch
mm
inch
mm
inch
C
CO
r/min
r/min
604
4
0.1575
12
0.4724
4
0.1575
0.2
0.008
0.97
0.36
43000
51000
0.002
605
5
0.1969
14
0.5512
5
0.1969
0.2
0.008
1.33
0.505
39000
46000
0.0035
606
6
0.2362
17
0.6693
6
0.2362
0.3
0.012
2.24
0.91
28000
36000
0.008
607
7
0.2756
19
0.7480
6
0.2362
0.3
0.012
2.24
0.91
28000
36000
0.008
608
8
0.3149
22
0.8661
7
0.2756
0.3
0.012
3.35
1.4
26000
34000
0.012
609
9
0.3543
24
0.9449
7
0.2756
0.3
0.012
3.4
1.45
22000
30000
0.014
6000
10
0.3937
26
1.0236
8
0.3150
0.3
0.012
4.55
1.96
20000
28000
0.019
6001
12
0.4724
28
1.1024
8
0.3150
0.3
0.012
5.1
2.39
19000
26000
0.021
6002
15
0.5906
32
1.2598
9
0.3543
0.3
0.012
5.6
2.84
18000
24000
0.03
6003
17
0.6693
35
1.3780
10
0.3937
0.3
0.012
6.8
3.35
17000
22000
0.039
6004
20
0.7874
42
1.6535
12
0.4724
0.6
0.024
9.4
5.05
15000
19000
0.069
6005
25
0.9843
47
1.8504
12
0.4724
0.6
0.024
10.1
5.85
13000
17000
0.08
6006
30
1.1811
55
2.1654
13
0.5118
1.0
0.039
13.2
8.3
12000
15000
0.116
Applications of Power Tool Ball Bearings:
Customization:
We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
We can custom your packaging according to your design.
All copyright owned by clients and we promised don't disclose any information.
Packing and Shipping:
The deep groove ball bearings will be securely packaged individually, or tube packing or packed as customization packing
Shipping method is negotiable.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2003
Ecer Certification：
Verified Supplier
We are Ningbo Kent Bearing Co., Ltd, one of the leading high-quality bearing manufacturer and supplier, established in 2003.
We registered the BUGAO Bearing trademark in 2003 and specialize in deep groove ball bearings
for electric motors, automobiles, household appliances, power tools, ...
We are Ningbo Kent Bearing Co., Ltd, one of the leading high-quality bearing manufacturer and supplier, established in 2003.
We registered the BUGAO Bearing trademark in 2003 and specialize in deep groove ball bearings
for electric motors, automobiles, household appliances, power tools, ...
