Needle roller bearing-FGFA bearings

Needle roller bearing

Needle roller bearings are compact transmission components utilising slender needle rollers as rolling elements. Their core advantages lie in their small size and high radial load capacity – within equivalent installation space, they far exceed the load-bearing capacity of standard ball bearings while offering a compact structure that significantly reduces equipment footprint. Suitable for medium-to-low speed applications, they exhibit impact resistance, stable transmission efficiency, and facilitate straightforward installation and maintenance.

Designation	Principal dimensions	Basic load ratings	Speed ratings
K 3X5X7 TN	3	5	7	1.51	1.34	40000	45000
K 3X5X9 TN	3	5	9	1.68	1.53	40000	45000
K 3X6X7 TN	3	6	7	1.42	1.02	38000	43000
K 4X7X10 TN	4	7	10	2.29	1.9	36000	43000
K 4X7X7 TN	4	7	7	1.72	1.32	36000	43000
K 5X8X10 TN	5	8	10	2.92	2.7	36000	40000
K 5X8X8 TN	5	8	8	2.29	2	36000	40000
K 6X9X10 TN	6	9	10	3.3	3.2	34000	38000
K 6X9X8 TN	6	9	8	2.55	2.36	34000	38000
K 7X10X10 TN	7	10	10	3.58	3.75	32000	36000
K 7X10X8 TN	7	10	8	2.81	2.75	32000	36000
K 7X9X7 TN	7	9	7	1.68	1.83	34000	38000
K 8X11X10 TN	8	11	10	3.8	4.25	32000	36000
K 8X11X13 TN	8	11	13	5.01	5.85	32000	36000
K 8X12X10 TN	8	12	10	4.84	4.75	30000	34000
K 9X12X10 TN	9	12	10	4.4	5.2	30000	34000
K 9X12X13 TN	9	12	13	5.72	7.2	30000	34000
K 10X13X10 TN	10	13	10	4.57	5.7	28000	32000
K 10X13X13 TN	10	13	13	5.94	8	28000	32000
K 10X13X16 TN	10	13	16	6.82	9.5	28000	32000
K 10X14X10 TN	10	14	10	5.61	6.1	28000	32000
K 10X14X13 TN	10	14	13	7.21	8.5	28000	32000
K 10X16X12 TN	10	16	12	7.65	7.2	28000	32000
K 12X15X10 TN	12	15	10	4.73	6.2	26000	30000
K 12X15X13 TN	12	15	13	6.16	8.65	26000	30000

Designation

Principal dimensions

Basic load ratings

Speed ratings

dynamic

static

Reference speed

Limiting speed

F_w[mm]

E_w[mm]

U[mm]

C[kN]

C₀[kN]

[r/min]

Wafangdian Fafuge Bearing Co., Ltd., rooted in Wafangdian Bearing Industry Base, is an emerging professional bearing manufacturer. Drawing on the base’s profound industrial heritage, we have upheld craftsmanship since inception, integrated precision manufacturing into R&D and production, and focused on the R&D and refined production of spherical roller bearings.

Needle roller bearing