Detailed Product Description
GCr15 / GCr15SiMn NTN Needle Roller Bearing K Series With C0 / C3 / C4 Radial Clearance
Introduction
Needle roller bearing is roller bearing with long and thin cylindrical needle roller.It have high loading capacity though its cross section is narrow.So Needle roller bearing is especially suitable for limit radical space.
Quick Detail:
1 Structure: Needle Roller Bearings
2 Material: GCr15, GCr15SiMn, G20Cr2Ni4A
3 Precision Rating: P0, P4, P5, P6
4 Vibration Level: V1, V2, V3
5 Radial Clearance: C0, C3, C4
6 Noisy level: Z1, Z2
7 Cage Material: Brass, Steel, Nylon
8 Tolerence Level: ABEC-1, 3, 5, 7
9 Certification: ISO 9000
The size include:
21C series, 31C series, 41C series, 51C series, 71C series, 22C series, 32C series, 13C series, 23C series, 33C series, 14C series, and 24C series
part of them are listed below
Boundary dimensions(mm) | Basic load ratings(kN) | Limiting speeds(rpm) | Mass(Kg) | Bearing Number |
Fw | Ew | Bc | Cr | Cor | Grease | Oil | (Approx.) | HDBB | NTN |
5 | 8 | 8 | 2.28 | 2.08 | 18000 | 28000 | | K 5*8*8 | K 5*8*8 |
25 | 29 | 10 | 8.45 | 14 | 9000 | 14000 | 8.3 | K 25*29*10 | K 25*29*10 |
6 | 9 | 10 | 3.28 | 3.38 | 18000 | 28000 | | K 6*9*10 | K 6*9*10 |
18 | 22 | 13 | 9.6 | 14.8 | 11000 | 17000 | 7.7 | K 18*22*13 | K 18*22*13 |
10 | 13 | 13 | 5.88 | 8.12 | 17000 | 26000 | 3 | K 10*13*13 | K 10*13*13 |
30 | 35 | 17 | 17 | 31.5 | 8000 | 12000 | 21 | K 30*35*17 | K 30*35*17 |
16 | 20 | 17 | 11.5 | 18.5 | 13000 | 19000 | 9.2 | K 16*20*17 | K 16*20*17 |
50 | 55 | 20 | 26.2 | 65 | 5000 | 7000 | 39 | K 50*55*20 | K 50*55*20 |
28 | 33 | 27 | 26.2 | 53.2 | 8500 | 13000 | 32 | K 28*33*27 | K 28*33*27 |
42 | 47 | 27 | 31.8 | 78.5 | 6000 | 8500 | 47 | K 42*47*27 | K 42*47*27 |
15 | 20 | 13 | 8.82 | 10.8 | 14000 | 20000 | 8.9 | K 15*20*13 | K 15*20*13 |
10 | 14 | 10 | 5.05 | 5.58 | 17000 | 26000 | 3.4 | K 10*14*14 | K 10*14*10 |
12 | 16 | 13 | 7.52 | 9.72 | 16000 | 24000 | 4.5 | K 12*16*13 | K 12*16*13 |
85 | 93 | 30 | 67.5 | 185 | 3000 | 4300 | 160 | K 85*93*30 | K 85*93*30 |
14 | 20 | 12 | 8.72 | 9.45 | 15000 | 22000 | 8.6 | K 14*20*12 | K 14*20*12 |
60 | 68 | 20 | 37.5 | 77.5 | 4300 | 6000 | | K 60*68*20 | K 60*68*20 |
30 | 37 | 20 | 23 | 36.5 | 8000 | 12000 | 40 | K 30*37*20 | K 30*37*20 |
60 | 68 | 25 | 47 | 105 | 4300 | 6000 | | K 60*68*25 | K 60*68*25 |
18 | 24 | 17 | 14.2 | 19 | 11000 | 17000 | 16 | K 18*24*17 | K 18*24*17 |
75 | 83 | 30 | 63.5 | 165 | 3400 | 4800 | 147 | K 75*83*30 | K 75*83*30 |
25 | 32 | 16 | 16 | 21.8 | 9000 | 14000 | 25 | K 25*32*16 | K 25*32*16 |
50 | 58 | 20 | 34 | 64.8 | 5000 | 7000 | 65 | K 50*58*20 | K 50*58*20 |
45 | 53 | 25 | 39.8 | 76.5 | 5600 | 8000 | | K 45*53*25 | K 45*53*25 |
Competitive Advantage
1 Quality level: reach the same level as the Japanese and European bearings
2 quick delievery, with large in stock.
