K25X31X21 Radial Needle Roller And Cage Assemblies

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Min. Order:

1 Piece

Payment term:

TT ,PAYPAL ,Western Union

Delivery time:

according your quantity

Technical Parameters:

Product Designations:

K25X31X21

Structure:

Radial needle roller and cage assemblies

Inside Diameter:

25 mm

Outside Diameter:

31 mm

Thickness:

21 mm

Weight:

0.0262 KG

Brand:

Neutral or OEM

Precision Rating:

P0 P6 P5 P4 P2

Bearing Material:

bearing steel Gcr15

Item No:K25X31X21 Radial needle roller and cage assemblies

As for Model K, K...D radial needle and retainer assembly, this kind of bearing only has a group of radial needle and retainer assembly. With small outside diameter size, it is suitable for the parts, where the radial sizes are specially limited, used for bearing the radial load. Model K...ZW, K...ZWD radial needle and retainer assembly is the double row radial needle and retainer assembly.

As for this kind of bearing, since it has not collar, the surface of journal and the surface of hole at the housing are directly acted as rolling surface with surface hardness HRC 60 and surface roughness Ra no more than 0.63µm.

In order to satisfy the requirement of main machine, this kind of bearing can be made in split bearing, convenient for mounting. Model K...D represents as the single row split bearing and Model K...ZWD represents as double row split bearing.

(1-1) K single-row radial needle roller and cage assembly

(1-2) K...ZW double-row radial needle roller and cage assembly

(1-3) K... D partial single-row radial needle roller and cage assembly

(1-4) K...ZWD double-row radial needle roller and cage assembly

Shaft Diameter	Bearing Designation		Mass Approx	Boundary Dimensions			Basic Load Rating		Limiting Speed
	Current Code	Original Code		Fw	D	C	Dynamic	Static	Oil
mm			g	mm			N		rpm

3	K3X5X7TN		0.3	3	5	7	1.54	1.29	50000
	K3X5X9TN		0.4	3	5	9	1.71	1.48
	K3X6X7TN		0.4	3	6	7	1.43	0.97	47000
4	K4X7X7TN		0.5	4	7	7	2.33	1.84	43000
4	K4X7X10TN		0.7	4	7	10	2.35	1.92	39000
5	K5X8X8TN	29241/5	0.7	5	8	8	2300	1880	37000
5	K5X8X10TN	39241/5	0.9	5	8	10	2800	2450	37000
6	K6X9X8TN	29241/6	0.8	6	9	8	25600	2240	35000
	K6X9X10TN	39241/6	1	6	9	10	3300	3100	35000
	K6X10X13TN	19241/6	1.3	6	10	13	3500	2800	33000
7	K7X10X8TN	29241/7	0.9	7	10	8	2750	2550	32000
7	K7X10X10TN	39241/7	1.1	7	10	10	3350	3400	32000
8	K8X11X8TN	29241/8	1.1	8	11	8	3000	2900	30000
	K8X11X10TN	39241/8	1.7	8	11	10	3830	3950	30000
	K8X11X13TN	49241/8	1.8	8	11	13	5000	5700	30000
	K8X12X10TN	29242/8	1.3	8	12	10	4900	4600	30000
9	K9X12X10TN	39241/9	1.5	9	12	10	4200	4700	30000
9	K9X12X13TN	19241/9	1.9	9	12	13	5500	6700	30000
10	K10X13X10TN	39241/10	1.6	10	13	10	4500	5250	27000
	K10X13X13TN	39241/10	2.1	10	13	13	6000	7600	27000
	K10X13X16TN		2.2	10	13	16	6300	7800	27000
	K10X14X10TN	29242/10	2.9	10	14	10	7000	7900	27000
	K10X14X13TN	3922/10	4.3	10	14	13	8000	9100	26000
	K10X16X12TN	19244/10	3.7	10	16	12	7000	9300	27000
12	K12X15X9TN		2.7	12	15	9	4120	5210	25000
	K12X15X10TN	39241/12	1.9	12	15	10	4320	5730	25000
	K12X15X13TN	49241/12	2.4	12	15	13	6000	8100	25000
	K12X16X8TN	19242/12	2.9	12	16	8	1200	4700	25000
	K12X16X10TN	29242/12	3.4	12	16	10	6000	6900	25000
	K12X16X13TN	39242/12	3.8	12	16	13	7900	9200	25000
	K12X17X13TN	59242/12	4.4	12	17	13	9300	10000	24000
	K12X18X12TN	19244/12	5	12	18	12	9800	8000	24000
	K12X15X20TN		3.8	12	15	20	8200	12000	25000
14	K14X17X10		4	14	17	10	5100	6800	23000
	K14X17X17		6.8	14	17	17	9300	14000	23000
	K14X18X10	29242/14	4.8	14	18	10	6800	8300	23000
	K14X18X13	39242/14	6.3	14	18	13	8100	9800	23000
	K14X18X14		6.8	14	18	14	9200	12000	23000
	K14X18X15	49242/14	7.3	14	18	15	10000	13000	23000
	K14X18X17	59242/14	8.1	14	18	17	10500	13900	23000
	K14X20X12	19243/14	8.6	14	20	12	9900	10500	22000
15	K15X18X14		5.3	15	18	14	7500	11000	23000
	K15X18X17		6.4	15	18	17	9600	15900	23000
	K15X19X10	29242/15	5.1	15	19	10	7200	9000	22000
	K15X19X13	39241/15	7	15	19	13	8300	9800	22000
	K15X19X17	59241/15	8.8	15	19	17	10300	15000	22000
	K15X19X24 ZW	79241/15	10.5	15	19	24	12800	20100	22000
	K15X22X13	29242/15	8.9	15	22	13	9700	11000	22000
	K15X22X12	19243/15	10	15	22	12	10000	13000	22000
	K15X21X15	39242/15	13	15	21	15	13800	16000	22000
	K15X21X21		18.2	15	21	21	18000	24000	22000
16	K16X20X10	29241/16	5.7	16	20	10	7600	9700	22000
	K16X20X13	39241/16	7.1	16	20	13	8700	11300	22000
	K16X20X17	59241/16	9.2	16	20	17	11200	16300	22000
	K16X21X10	19242/16	3.7	16	21	10	9000	12000	22000
	K16X22X12	19243/16	10.4	16	22	12	11000	12000	21000
	K16X22X13		11.9	16	22	13	12000	13400	21000
	K16X22X16		13.7	16	22	16	14300	17000	21000
	K16X22X20	49243/16	16.7	16	22	20	18000	22300	21000
	K16X23X14	19244/16	20	16	23	14	19000	21000	19000
	K16X24X20	19245/16	24.9	16	24	20	21100	23000	20000
17	K17X21X10	29241/17	5.6	17	21	10	7900	10100	21000
	K17X21X13	39241/17	7.5	17	21	13	10000	14100	21000
	K17X21X17	59241/17	9.5	17	21	17	12000	17400	21000
	K17X23X14	29243/17	11.5	17	23	14	11000	15000	21000
18	K18X22X10	29241/18	6.1	18	22	10	8200	9900	20000
	K18X22X13	39241/18	7.7	18	22	13	9000	12100	20000
	K18X22X17	59241/18	10.8	18	22	17	11900	17600	20000
	K18X24X12	19243/18	11.6	18	24	12	11200	12900	20000
	K18X24X13		12.6	18	24	13	12900	14900	20000
	K18X24X13.5		13	18	24	13.5	12900	14900	20000
	K18X24X20	49243/18	19	18	24	20	20000	26500	20000
	K18X25X14		14.9	18	25	14	16500	18800	20000
	K18X25X22		24.3	18	25	22	22900	28400	20000
	K18X26X14		19	18	26	14	18000	20000	18000
	K18X28X16	19244/18	24	18	28	16	19000	18400	19000
19	K19X23X13		8.2	19	23	13	9300	13000	20000
19	K19X23X17		11.1	19	23	17	12000	18600	20000
20	K20X24X10	29241/20	6.5	20	24	10	8700	12100	19000
	K20X24X12		8	20	24	12	9600	13800	19000
	K20X24X13	39241/20	8.9	20	24	13	9600	13800	19000
	K20X24X17	59241/20	11.2	20	24	17	12400	20000	19000
	K20X26X12	19243/20	13.2	20	26	12	13100	15700	19000
	K20X26X16	K9249/20	17.5	20	26	16	18000	25000	18500
	K20X26X17	39243/20	18.2	20	26	17	18700	25500	19000
	K20X26X20	49243/20	22	20	26	20	20600	28500	19000
	K20X28X20	19245/20	26.8	20	28	20	23400	28000	18000
	K20X28X25	29245/20	36.2	20	28	25	30000	28500	18000
	K20X30X30	39245/20	56	20	30	30	35000	41000	18000
21	K21X25X13		9	21	25	13	9600	14500	19000
21	K21X25X17		12	21	25	17	12800	21000	19000
22	K22X26X10	29241/22	7.1	22	26	10	8700	12900	18000
	K22X26X13	39241/22	9.4	22	26	13	10000	15400	18000
	K22X26X17	59241/22	12.1	22	26	17	13100	22100	18000
	K22X27X13	29242/22	10.8	22	27	13	14000	23000	18000
	K22X28X17	39243/22	19.7	22	28	17	19000	26500	18000
	K22X28X23	59243/22	26	22	28	23	20000	27000	19000
	K22X29X16	19244/22	22.2	22	29	16	19500	25000	17000
	K22X30X15TN		14.4	22	30	15	19600	22900	17000
	K22X30X20	19245/22	28	22	30	20	21000	23500	18900
	K22X32X24		43.4	22	32	24	33500	39500	16000
23	K23X35X16TN		30	23	35	16	24000	23400	15000
24	K24X28X10		8.1	24	28	10	9400	14300	17000
	K24X28X13		10.1	24	28	13	10500	17000	17000
	K24X28X17	9243/24	13.2	24	28	17	14000	24500	17000
	K24X29X13		13.5	24	29	13	13100	19100	16000
	K24X30X17		21.5	24	30	17	19000	27000	16000
	K24X30X31		39.1	24	30	31	27000	43000	16000
25	K25X29X10	29241/25	8.3	25	29	10	9700	14900	16000
	K25X29X13	39241/25	10.4	25	29	13	10800	17900	16000
	K25X29X17	59241/25	13.7	25	29	17	14500	25500	16000
	K25X30X13	29242/25	12.9	25	30	13	14100	21300	16000
	K25X30X20	59242/25	20.5	25	30	20	21100	28000	16000
	K25X30X25		21	25	30	25	21700	40400	15000
	K25X30X26	52.436	21.6	25	30	26	20100	26500	15000
	K25X31X17	39243/25	21.8	25	31	17	19000	28000	16000
	K25X31X21

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K25X31X21 Radial Needle Roller And Cage Assemblies

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