NNU4921SK.M.SP Cylindrical Roller Bearing 105x145x40mm
The NNU4921SK.M.SP bearing is a cylindrical roller bearing with an inner diameter of 105 mm , an outer diameter of 140 mm, a width of 40 mm. It typically uses P5/P4 grade precision tolerances and open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
NNU4921SK.M.SP high precision double row cylindrical roller bearing 105x145x40mm
Part number: NNU4921SK.M.SP
Inner diameter: 105mm
Outer diameter: 145mm
Width: 40mm
Dynamic load C: 129kN
Static load C0: 260kN
Net weight: 1.93kg
Max speed (grease): 5300 rpm
Max speed (oil): 6300 rpm
Precision grade: P5/P4/P2
Packing: single box
Brand: BEART bearing, as per customer’s requirement
Material: 100Cr6/SUJ2/SAE52100 bearing steel, full hardened
Delivery time: within 2 days for items in stock, 25 days maximum for others
NNU4921SK.M.SP is a high precision double row cylindrical roller bearing. It is typically used in combination with double direction angular contact thrust bearings in applications where radial stiffness, high radial capacity and high precision support is required.
To know more details of NNU4921SK.M.SP bearing, feel free to contact us via email [email protected], or visit our web www.beartbearing.com.
Double row cylindrical roller bearings have a high load carrying capacity because of the high number of cylindrical rollers in each row, and the exclusive optimized roller crown profile which results in the best load distribution. The cage is of solid machined brass construction, making this bearing suitable for rugged applications.
The bearing bore is tapered (taper =1: 12). The desired radial preload or radial clearance can be set by an axial adjustment on the conical shaft. Generally, the bearings should be mounted with zero clearance to a very slight preload.
Cylindrical rollers generally have lower limiting speed than ball bearings. They are the limiting factor when used in conjunction with spindle bearings on the work end of a spindle.
Cylindrical roller bearings can be lubricated with either grease or oil.
Applications of BEART high precision single row cylindrical roller bearing: machine tool, spindle, measuring equipment.
We can help clients to reduce 35% cost by using BEART bearings to substitute the world-famous and world-costly bearings they are using now. In the mean while, and surely, we provide an equal or even better quality, as well as a shorter delivery service.
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