1.Radial needle roller and cage assembly (type K 000000)
2.Needle roller bearings with double locking rings on the outer ring (NA 0000 type, NKI type, RNA 0000 type, NK type)
3.Single row needle roller bearing with double retaining edge on outer ring (NA 0000 type, NKI type, RNA 0000 type, NK type)
4.Double row needle roller bearings with double raised edge on outer ring (NA 6900 type, RNA 6900 type)
5.Drawn cup needle roller bearings (HK type, BK type)
Radial needle roller and cage assemblies are generally divided into K-type that
(1) Only one set of radial needle roller and cage assembly
(2) Small outer diameter size.
(3) Suitable for use in components with particularly restricted radial dimensions, the
(4) can withstand radial load.
K single row radial needle roller and cage assembly.
K–Z double-row centripetal needle roller and cage assembly.
K–D split single-row centripetal needle roller and cage assembly.
K–WD split double-row radial needle roller and cage assembly.
K5X8X8 needle roller bearings
Bearing type：Needle roller bearing
New domestic type：K5X8X8
Domestic old type：(29241/5)
Inner diameter(mm): 5
Outer diameter(mm):8
Width(mm):8
NTN:K5x8x8
FAG:K5x8x8
INA:K5x8x8
IKO:KT588
New domestic model: K12X15X13
Domestic old model: K121513(49241/12)
Inner diameter(mm)：12
Outer diameter(mm)：15
Width(mm): 13
NTN:K12x15x13
FAG:K12x15x13
INA:K12x15x13
IKO:KT121513
Bearing type:Radial needle roller bearing Domestic new
type:K12x15x13 Specification(dxDxB):12×15×13
Domestic old type:49241/12 Weight(kg):0.0033
1、After the new type of spherical ball bearing with K, it means the taper is 1:12 tapered hole bearing.
2、After the new type of spherical roller bearing with K, it also means the taper is 1:12 tapered hole bearing. Such as 22320CAK, the old model for 153620
3, in the spherical roller bearings after the old model plus K, said bearing with oil groove oil hole. Such as the old model 53620K, the new model for 223220CA/W33.
K: centripetal needle roller and cage assembly code, is a general code, GB, INA, etc. use.
KT: The code of radial needle roller and cage assembly of IKO company in Japan
Needle roller bearing to meet the requirements of installation, the use of split wide inner ring, easy to install and disassemble. Both sides of the inner ring with clamping ring, can better play a complete set and with the role.
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