34306/34478 single row tapered roller bearings offer a low friction separable design during operation in metric sizes
Quick Details |
Product Name | 34306/34478 |
size | 77.788*121.442*24.608mm |
Number Of Row | single column |
MOQ | 1 PC |
Price terms | FOB / EXW / CIF |
Payment Terms | T / T, L / C, Western Union, Paypal |
Delivery Time | About 5 - 8 working days after payment is received |
Shipping methods | By Sea, Air or DHL / FEDEX / TNT / EMS |
SF2812VPX1 | 180BA-2256 | SF4007PX1 | SF4815VPX1 |
140BA-18 | BA246-2 | SF4007PX1 | 240BA32S1/SF4860 |
SF3240 | R25/26 | SF4019PX1 | SF4852PX1 |
HS05154 | R25/26 | BA200-6A(SF4021) | BA245-2 |
BA135-6(135BA170) | SF3240 | SF3227PX1/SF3215 | 245BA35 |
BD155-6 | BA195-3 | 165BA210/AC3321 | BA246-1SA |

d - Bore | 3.0625 in77.788 mm |
D - Cup Outer Diameter | 4.7812 in121.442 mm |
B - Cone Width | 0.9060 in23.012 mm |
C - Cup Width | 0.6875 in17.463 mm |
T - Bearing Width | 0.9688 in24.608 mm |
R - Cone Backface "To Clear" Radius1 | 0.14 in3.600 mm |
r - Cup Backface "To Clear" Radius2 | 0.08 in2.03 mm |
da - Cone Frontface Backing Diameter | 3.31 in84 mm |
db - Cone Backface Backing Diameter | 3.58 in91 mm |
Da - Cup Frontface Backing Diameter | 4.60 in116.10 mm |
Db - Cup Backface Backing Diameter | 4.33 in109.98 mm |
Ab - Cage-Cone Frontface Clearance | 0.1 in2.5 mm |
Aa - Cage-Cone Backface Clearance | 0.09 in2.3 mm |
a - Effective Center Location3 | 0.06 in1.5 mm |



About us:
We have our own factory special for bearing, and also good supply of all other excavator parts.
ZhongHong bearing co., LTD. was established in 2004, with office in TianHe District Guangzhou city and factory in shandong province.
we are a company in combination of bearing Research & Development (R&D) ,Manufacturing and Import & Export. 70% of our products are exported to Europe, South America, Middle East, India and more than 10 countries in southeast Asia.
We adhere to the concepts of People-oriented and Quality first, focus on the standardization of production, and strict control of each process, striving to supply our clients with the best and most complete product lines, in preferential price and high efficiency, to meet all your demands.
In order to continuously improve the overall quality of staff and technical qualifiexcavatorions, we invested a lot in the technology and equipment modifiexcavatorion, purchased a large amount of high precision bearing manufacturing equipment and testing instruments. For example the high - precision machining production line, isothermal spherifiexcavatorion annealing furnace, salt bath quenching furnace and precision roll production line, all are equipped with complete inspection equipment.
Besides, we strictly follow the ISO/TS16949 quality management system.
Welcome friends from all over the world to visit and negotiate for cooperation.