NNU4921K Cylindrical Roller Bearing Specifications
Bore d (mm)
105
Outer D (mm)
145
Width B (mm)
40
Dynamic rating Cr (kN)
198
Static rating Cor (kN)
315
Grease limit speed (r/min)
3800
Oil limit speed (r/min)
4800
Frequently Asked Questions / FAQ
Is RUIST NNU4921K available from stock and what is the MOQ?
NNU4921K is produced in volume with flexible MOQ; mixed batches and neutral-pack/OEM options are supported for distributors and OEMs.
What are the technical specifications of RUIST NNU4921K?
Key specs: d = 105 mm, D = 145 mm, B = 40 mm, Cr = 198 kN, Cor = 315 kN. A complete datasheet is generated per model.
Which industries buy RUIST NNU4921K Cylindrical Roller Bearing?
Typical buyers are in mining, cement, steel, wind, agriculture, material handling and general machinery manufacturing.
How does RUIST NNU4921K compare on price and lead time?
As a direct factory source, NNU4921K offers competitive ex-works pricing with short lead times versus imported brand equivalents.