K Needle Roller and Cage Assembly Bearings

Needle Roller and cage assembly(Needle Roller and Cage,Needle Cage Bearing) suit to use in small radial space condition. It can carry large load and high rigidness, and because of its high rotate precision, easy assemble condition and low cost, this kind of bearing is widely used.

Structure sheet

Metric size	Inch size	structure instruction
K,KT	WJ, C	Normal
K.ZW,KK		Double row
K.D,KS		single row, dissection
K.ZW.D,KK.D,KKS		double row, dissection
KBK		connecting rod small side
KZK		connecting rod big side

	Cage	Roller
Material	20#Steel or PA66	GCr15 chrome steel
Process	Lathing	Grinding
Heat treatment	Carburization Black	Quenching HRC60-64

Cage

1. material: low carbon steel pipe

2. process: lathing, punching

3. heat treatment: carburization, black

Needle roller

1. material: GCr15 chrome steel

2. process: grinding

3. heat treatment: quenching, HRC60-64

4. Special remark:needle roller diameter tolerance 2μm,G2 grouping

	Model
Shaft		Mass	Dimensions
mm	Without IR	g	Fw	Ew	Bc
4	K4X7X7	0.5	4	7	7
	K4X7X10	0.7	4	7	10
5	K5X8X8	0.7	5	8	8
	K5X8X10	0.9	5	8	10
6	K6X9X8	0.8	6	9	8
	K6X9X10	1.1	6	9	10
7	K7X9X7	0.6	7	9	7
	K7X10X8	0.9	7	10	8
	K7X10X10	1	7	10	10
8	K8X11X8	1	8	11	8
	K8X11X10	1.2	8	11	10
	K8X11X13	1.7	8	11	13
10	K10X13X10	1.6	10	13	10
	K10X13X13	2.3	10	13	13
	K10X14X10	2.5	10	14	10
	K10X14X13	4.6	10	14	13
12	K12X15X10	2.9	12	15	10
	K12X15X13	2.3	12	15	13
	K12X16X13	5.5	12	16	13
	K12X17X13	4.9	12	17	13
	K12X18X12	6	12	18	12
14	K14X18X10	4	14	18	10
	K14X18X13	6.5	14	18	13
	K14X18X15	5	14	18	15
	K14X18X17	8	14	18	17
	K14X20X12	8.5	14	20	12
15	K15X18X17	4.6	15	18	17
	K15X19X10	5	15	19	10
	K15X19X13	7	15	19	13
	K15X19X17	9.5	15	19	17
	K15X20X13	7	15	20	13
	K15X21X15	11	15	21	15
	K15X21X21	17	15	21	21
16	K16X20X10	5.5	16	20	10
	K16X20X13	7.5	16	20	13
	K16X20X17	10	16	20	17
16	K16X22X12	10	16	22	12
	K16X22X16	12	16	22	16
	K16X22X20	17	16	22	20
	K16X24X20	22	16	24	20
17	K17X21X10	5.5	17	21	10
	K17X21X13	6.5	17	21	13
	K17X21X17	9.5	17	21	17
18	K18X22X10	6	18	22	10
	K18X22X13	8	18	22	13
	K18X22X17	11	18	22	17
	K18X24X12	12	18	24	12
	K18X24X13	13	18	24	13
	K18X24X20	18	18	24	20
	K18X25X22	23	18	25	22
20	K20X24X10	6.5	20	24	10
	K20X24X13	9	20	24	13
	K20X24X17	12	20	24	17
	K20X26X12	11	20	26	12
	K20X26X13	12	20	26	13
	K20X26X17	16	20	26	17
	K20X26X20	19	20	26	20
	K20X28X16	20	20	28	16
	K20X28X20	27	20	28	20
	K20X28X25	32	20	28	25
	K20X30X30	49	20	30	30
22	K22X26X10	7.5	22	26	10
	K22X26X13	9.5	22	26	13
	K22X26X17	12	22	26	17
	K22X28X17	18	22	28	17
	K22X29X16	16	22	29	16
	K22X30X15	18	22	30	15
	K22X32X24	43	22	32	24
24	K24X28X10	8.5	24	28	10
	K24X28X13	10	24	28	13
	K24X28X17	13	24	28	17
	K24X30X17	19	24	30	17

24 K24X30X31ZW 32 24 30 31 32 K32X39X16 37 32 39 16
25 K25X29X10 8.5 25 29 10 K32X40X25 49 32 40 25
K25X29X13 11 25 29 13 K32X40X42ZW 77 32 40 42
K25X29X17 14 25 29 17 K32X46X32 119 32 46 32
K25X30X17 16 25 30 17 35 K35X40X13 19 35 40 13
K25X30X20 18 25 30 20 K35X40X17 21 35 40 17
K25X30X26ZW 19 25 30 26 K35X40X25 31 35 40 25
K25X31X17 19 25 31 17 K35X40X27 39 35 40 27
K25X31X21 20 25 31 21 K35X42X16 34 35 42 16
K25X32X16 21 25 32 16 K35X42X18 34 35 42 18
K25X33X20 33 25 33 20 K35X42X20 37 35 42 20
K25X33X24 39 25 33 24 K35X42X30 67 35 42 30
K25X35X16 29 25 35 16 K35X45X20 56 35 45 20
K25X35X30 65 25 35 30 K35X45X30 80 35 45 30
26 K26X30X13 11 26 30 13 38 K38X43X17 29 38 43 17
K26X30X17 15 26 30 17 K38X43X27 43 38 43 27
K26X30X22ZW 12 26 30 22 K38X46X20 47 38 46 20
28 K28X33X13 13 28 33 13 K38X46X32 76 38 46 32
K28X33X17 17 28 33 17 40 K40X45X13 22 40 45 13
K28X34X17 24 28 34 17 K40X45X17 31 40 45 17
K28X35X16 24 28 35 16 K40X45X27 46 40 45 27
K28X35X18 27 28 35 18 K40X47X18 39 40 47 18
K28X40X25 70 28 40 25 K40X47X20 42 40 47 20
30 K30X34X13 14 30 34 13 K40X48X20 49 40 48 20
K30X35X13 14 30 35 13 42 K42X47X13 18 42 47 13
K30X35X17 19 30 35 17 K42X47X17 32 42 47 17
K30X35X27 30 30 35 27 K42X47X30ZW 54 42 47 30
K30X37X16 27 30 27 16 K42X50X20 53 42 50 20
K30X37X18 30 30 37 18 45 K45X50X17 34 45 50 17
K30X40X18 48 30 40 18 K45X50X27 51 45 50 27
K30X40X30 73 30 40 30 K45X52X18 42 45 52 18
32 K32X39X18 31 32 39 18 K45X53X20 55 45 53 20
K32X37X13 18 32 37 13 K45X53X21 60 45 53 21
K32X37X17 19 32 37 17 K45X53X28 81 45 53 28
K32X37X27 30 32 37 27 K45X59X18 72 45 59 18
K32X38X20 30 32 38 20 K45X59X32 148 45 59 32

We are manufacturer for the Needle Bearing and Roller Bearing, which located in Changzhou, China.

20year working experience, has been committed to the development and production of high-precision bearings.

Professional R&D team provide various solutions for different customers
Quality inspectors at all levels to ensure that each product delivered with high standard.
The first-line staff be trained in reguarly, ensuring safety and make sure to complete every order with quality and quantity.
People-oriented, for the future.

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