Compare 30 mm x 68 mm x 10 mm SKF 54307 + U 307 thrust ball bearings | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. | Brand | m | D | B | A | R | d | H | |
| 54307 | FAG | - | 0,802 kg / Weight | 68 mm | 10 mm | 0,05 / Factor min. load | 56 mm | 30 mm | - |
| 54307 + U 307 | SKF | - | - | 68 mm | 10 mm | - | 56 mm | 30 mm | 47.2 mm |
| 54307 + U307 | FAG | U307 / Designation, seating washer | 0,802 kg / Weight | 68 mm | 10 mm | 0,05 / Factor min. load | 56 mm | 30 mm | - |
| 54307 U 307 | ISB | - | - | 68 mm | 10 mm | - | - | 30 mm | 47,19 mm |
| 54307+U307 | NKE | - | - | 68 mm | 10 mm | 21 mm | 56 mm | 30 mm | 47,2 mm |
| 54307U | KOYO | - | - | 68 mm | 10 mm | 21 mm | 56 mm | 30 | - |
| 54307U+U307 | Loyal | - | - | - | - | - | - | 37 mm | - |
| 54307-U | CONSOLIDATED BEARING | - | - | 2.835 Inch | 72 Millimeter | - | - | - | - | - |
| NACHI 105TAD20 thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| NSK 120TAC20X+L thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| NKE 51314 thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| NACHI 53213U thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| SKF FBSA 205/QFC thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| 180 mm x 380 mm x 75 mm SKF NU 336 ECM thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| SKF 51322M thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| FAG 51312 thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| KOYO 54318 thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| RHP XLT2.3/8 thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| Toyana 54420 thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| NACHI 3909 thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| FBJ 51415 thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
| FAG 53200 + U200 thrust ball bearings | Category:Flange Block Bearings; Inventory:0.0; Manufacturer Name:TIMKEN; Minimum Buy Quantity:N/A; Weight:7.264; Product Group:M06288; Number of Mounting Holes:4; Mounting Method:Concentric Collar; Housing Style:4 Bolt Round Flange Cartridge; Rolling Element:Spherical Roller Bearing; Housing Material:Cast Steel; Expansion / Non-expansion:Expansion; Mounting Bolts:1/2 Inch; Relubricatable:Yes; Insert Part Number:22213; Seals:Double Lip Nitrile Rubber; Housing Configuration:1 Piece Solid; Pilot Configuration:With Pilot; Inch - Metric:Metric; Long Description:4 Bolt Round Flange Cartridge; 65MM Bore; 165MM Bolt Circle; 117MM Bolt Spacing; 1 Piece Solid; Concentric Collar Mount;; Other Features:Double Row | Double Collar | With Set Screw; Category:Flange Block; UNSPSC:31171501; Harmonized Tariff Code:8483.20.40.80; Noun:Bearing; Keyword String:Flanged; Weight / LBS:16; Cartridge Pilot Depth:1.125 Inch | 28.575 Millimeter; d:2.559 Inch | 65 Millimeter; Cartridge Pilot Diameter:5.512 Inch | 140 Millimeter; D:4.3 Inch | 109.22 Millimeter; Bolt Spacing:4.6 Inch | 117 Millimeter; Nominal Bolt Circle Diameter Round:6.5 Inch | 165 Millimeter; |
30 mm x 68 mm x 10 mm SKF 54307 + U 307 thrust ball bearings Video
30 mm x 68 mm x 10 mm SKF 54307 + U 307 thrust ball
Online SKF 54307 + U 307 thrust ball bearings Expert.More 0.0 Inventory Choices. SKF 54307 + U 307 thrust ball bearings in Stock & Ready to Ship Now!
54307 U 307 - SKF Bearing - TIMKEN bearings-cnhk-bearing
The bearing 54307 U 307 manufactured by SKF can be ordered immediately from the bearings distributor CNHK Bearing Co.,Ltd.The bearings delivery is done
Thrust ball bearings, double direction - 54307 - SKF
Basic static load rating, C0, 96.5, kN. Fatigue load limit, Pu, 3.55, kN. Reference speed, 2400, r/min. Limiting speed, 3400, r/min. Minimum load factor, A, 0.048
54307 - SKF
54307. Popular item. Thrust ball bearings, double direction ... Fatigue load limit, Pu. 3.55 kN. Reference speed. 2400 r/min. Limiting speed. 3400 r/min. Minimum
Bearing 54307 + U 307 (SKF) | Size and Specification
Double thrust ball bearings 54307 + U 307. Bearing number : 54307 + U 307. Size (mm) : 30x68x47,2. Brand : SKF. Bore Diameter (mm) : 30. Outer Diameter
SKF 54307 U307 bearing plant in Chad
SKF 54307 U307 bearings are provided by our company. If you have needs, we can also provide you replace for SKF 54307 U307 bearings to Your need
30 mm x 68 mm x 10 mm SKF 54307 + U 307 thrust ball
30 mm x 68 mm x 10 mm SKF 54307 + U ... Bearing No. 54307 + U 307. Size. 68x30x47.2 mm. Bore Diameter. 68 mm. Outer Diameter. 30 mm. Width. 47,2 mm d
54307 skf canada | Bearing skf 54307
7 Our SKF 54307 U 307 bearings and other bearings are 100% compliant with the international quality standard ISO 9001 and are highly appreciated in various
SKF 54307 U307 bearing | Bearings Distributor & Supplier
SKF 54307 U307 bearing. We can manufacture more than 40,000 series & 900,000 models of bearings. QBCO bearings qualified rate reach more than 99.2%