K25x33x20 Needle Roller Bearings 25x33x20mm manufacturers and suppliers in China

Payment & Shipping Terms		Supply Capacity
Trade Term:	FOB	Production Capacity:	30000 Piece/Pieces per...
Payment Terms:	L/C, T/T, WU	Packing:	RNB OR NATURAL
Min. Order:	5000 Piece/Pieces	Delivery Date:	35days
Means of Transport:	Ocean, Air

Radial Needle Roller and Cage Assemblies K25x33x20

Demension: 25×33×20mm , Weight: 32g.

SHAPE LOCATION TOLERANCE SHOULD BE TO CURRENT STANDARD;

The needle roller and cage assembly is an independent bearing element. The each of needle roller is

guided and caged accurately by the cage. It has the highest load carrying capacity and the high rigid design in the smallest structure and space. The wide distance between two guiding surfaces of cage ensures the accurate guide of needle roller and cage assembly.

Needle roller and cage assembly is suitable for the place where the shaft and housing bore are acted as

the raceway. Under the geographic accuracy shaft and housing bore raceway, the highest rotation precision

can be obtained.

The working clearance in bearing location is dependent on the tolerance of inner and outer raceways,

needle roller difference and working temperature.

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 0.63m.

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 KZWD represents as double row split bearing.

Radial Needle Roller and Cage Assemblies K25x33x20

(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

The rod-use needle roller and cage assembly is mainly used for engine, compressor and other crankguide.

The designation of the rod-use needle roller and cage assembly is composed of letter and number. The

letter KZK represents crank pine assembly and KBK represents piston pin assembly.

5.The needle roller and cage assembly for KZK crank pin adapts M-type cage with reliable performance. It

has special requirement. The surface of cage can be silver-plated or copper-coated.

6. The needle roller and cage assembly for KBK piston pin is different from KZK (external guide for crank

pin). It is internally guided on the piston pin), thus increasing the length of needle.

RNB	Bearing Designation		Boudary Dimensions			Basic Load Rating		Limiting Speed
Shaft	Current	OriginalCode	Fw	Ew	Bc	Dynamic	Static	Oil
Diameter			Fw	Ew	Bc	Dynamic	Static	Oil
mm			mm			N		rpm
5	K5X8X8	29241/5	5	8	8	2300	1880	37000
5	K5X8X10	39241/5	5	8	10	2800	2450	37000
6	K6X9X8	29241/6	6	9	8	2560	2240	35000
	K6X9X10	39241/6	6	9	10	3300	3100	35000
	K6X10X13	49241/6	6	10	13	3500	2800	33000
7	K7X10X8	29241/7	7	10	8	2750	2550	32000
7	K7X10X10	39241/7	7	10	10	3350	3400	32000
8	K8X11X8	29241/8	8	11	8	3000	2900	30000
	K8X11X10	39241/8	8	11	10	3830	3950	30000
	K8X11X13	49241/8	8	11	13	5000	5700	30000
	K8X12X10	29242/8	8	12	10	4900	4600	30000
9	K9X12X10	39241/9	9	12	10	4200	4700	30000
9	K9X12X13	49241/9	9	12	13	5500	6700	30000
10	K10X13X10	39241/10	10	13	10	4500	5250	27000
	K10X13X13	39241/10	10	13	13	6000	7600	27000
	K10X13X16	—	10	13	16	6300	7800	27000
	K10X14X10	29242/10	10	14	10	7000	7900	27000
	K10X14X13	39242/10	10	14	13	8000	9100	26000
	K10X16X12	19244/10	10	16	12	7000	9300	27000
12	K12X15X9	—	12	15	9	4120	5210	25000
	K12X15X10	39241/12	12	15	10	4320	5730	25000
	K12X15X13	49241/12	12	15	13	6000	8100	25000
	K12X16X8	19242/12	12	16	8	4200	4700	25000
	K12X16X10	29242/12	12	16	10	6000	6900	25000
	K12X16X13	39242/12	12	16	13	7900	9200	25000
	K12X17X13	59242/12	12	17	13	9300	10000	24000
	K12X18X12	19244/12	12	18	12	9800	8000	24000
	K12X15X20	K12X15X20	12	15	20	8200	12000	25000
14	K14X17X10	—	14	17	10	5100	6800	23000
	K14X17X17	—	14	17	17	9300	14000	23000
	K14X18X10	29241/14	14	18	10	6800	8300	23000
	K14X18X13	39241/14	14	18	13	8100	9800	23000
	K14X18X14	—	14	18	14	9200	12000	23000
	K14X18X15	49241/14	14	18	15	10000	13000	23000
	K14X18X17	59241/14	14	18	17	10500	13900	23000
	K14X20X12	19243/14	14	20	12	9900	10500	22000
15	K15X18X14	—	15	18	14	7500	11000	23000
	K15X18X17	—	15	18	17	9600	15900	23000
	K15X19X10	29242/15	15	19	10	7200	9000	22000
	K15X19X13	39241/15	15	19	13	8300	9800	22000
	K15X19X17	59241/15	15	19	17	10300	15000	22000
	K15X19X24	79241/15	15	19	24	12800	20100	22000
	K15X19X13	29242/15	15	20	13	9700	11000	22000
	K15X21X12	19243/15	15	21	12	10000	13000	22000
	K15X21X15	39242/15	15	21	15	13800	16000	22000
	K15X21X21	—	15	21	21	18000	24000	22000
16	K16X20X10	29241/16	16	20	10	7600	9700	22000
	K16X20X13	39241/16	16	20	13	8700	11300	22000
	K16X20X17	59241/16	16	20	17	11200	16300	22000
	K16X21X10	19242/16	16	21	10	9000	12000	22000
	K16X22X12	19243/16	16	22	12	11000	12000	21000
	K16X22X13	—	16	22	13	12000	13400	21000
	K16X22X16	—	16	22	16	14300	17000	21000
	K16X22X20	49243/16	16	22	20	18000	22300	21000
	K16X23X14	19244/16	16	23	14	19000	21000	19000
	K16X24X20	19245/16	16	24	20	21100	23000	20000
17	K17X21X10	29241/17	17	21	10	7900	10100	21000
	K17X21X13	39241/17	17	21	13	10000	14100	21000
	K17X21X17	59241/17	17	21	17	12000	17400	21000
	K17X23X14	29243/17	17	23	14	11000	15000	21000
18	K18X22X10	29241/18	18	22	10	8200	9900	20000
	K18X22X13	39241/18	18	22	13	9000	12100	20000
	K18X22X17	59241/18	18	22	17	11900	17600	20000
	K18X24X12	19243/18	18	24	12	11200	12900	20000
	K18X24X13	—	18	24	13	12900	14900	20000
	K18X24X13.5	—	18	24	13.5	12900	14900	20000
	K18X24X20	49243/18	18	24	20	20000	26500	20000
	K18X25X14	—	18	25	14	16500	18800	20000
	K18X25X22	—	18	25	22	22900	28400	20000
	K18X26X14	—	18	26	14	18000	20000	18000
	K18X28X16	19244/18	18	28	16	19000	18400	19000
19	K19X23X13	—	19	23	13	9300	13000	20000
19	K19X23X17	—	19	23	17	12000	18600	20000
20	K20X24X10	29241/20	20	24	10	8700	12100	19000
	K20X24X12	—	20	24	12	9600	13800	19000
	K20X24X13	39241/20	20	24	13	9600	13800	19000
	K20X24X17	59241/20	20	24	17	12400	20000	19000
	K20X26X12	19243/20	20	26	12	13100	15700	19000
	K20X26X16	K9249/20	20	26	16	18000	25000	18500
	K20X26X17	39243/20	20	26	17	18700	25500	19000
	K20X26X20	49243/20	20	26	20	20600	28500	19000
	K20X28X20	19245/20	20	28	20	23400	28000	18000
	K20X28X25	29245/20	20	28	25	3000	28500	18000
	K20X30X30	39245/20	20	30	30	35000	41000	18000
21	K21X25X13	—	21	25	13	9600	14500	19000
21	K21X25X17	—	21	25	17	12800	21000	19000
22	K22X26X10	29241/22	22	26	10	8700	12900	18000
	K22X26X13	39241/22	22	26	13	10000	15400	18000
	K22X26X17	59241/22	22	26	17	13100	22100	18000
	K22X27X13	29242/22	22	27	13	14000	23000	18000
	K22X28X17	39243/22	22	28	17	19000	26500	18000
	K22X28X23	59243/22	22	28	23	20000	27000	19000
	K22X29X16	19244/22	22	29	16	19500	25000	17000
	K22X30X15	—	22	30	15	19600	22900	17000
	K22X30X20	19245/22	22	30	20	21000	23500	18900
	K22X32X24	—	22	32	24	33500	39500	16000
23	K23X35X16	—	23	35	16	24000	23400	15000
24	K24X28X10	—	24	28	10	9400	14300	17000
	K24X28X13	—	24	28	13	10500	17000	17000
	K24X28X17	9243/24	24	28	17	14000	24500	17000
	K24X29X13	—	24	29	13	13100	19100	16000
	K24X30X17	—	24	30	17	19000	27000	16000
	K24X30X31	—	24	30	31	27000	43000	16000
25	K25X29X10	29241/25	25	29	10	9700	14900	16000
	K25X29X13	39241/25	25	29	13	10800	17900	16000
	K25X29X17	59241/25	25	29	17	14500	25500	16000
	K25X30X13	29242/25	25	30	13	14100	21300	16000
	K25X30X20	59242/25	25	30	20	21100	28000	16000
	K25X30X25	—	25	30	25	21700	40400	15000
	K25X30X26	SZ-436	25	30	26	20100	26500	15000
	K25X31X17	39243/25	25	31	17	79000	28000	16000
	K25X31X21	39243/25	25	31	21	24100	37500	16000
	K25X32X16	39245/25	25	32	16	20500	27500	15000
	K25X33X20	19244/25	25	33	20	28000	37500	15000
	K25X33X24	29245/25	25	33	24	33900	46500	15000
	K25X34X18	—	25	34	18	48000	67000	15000
	K25X35X30	39245/25	25	35	30	46500	61500	14000
	K25X30X26	—	25	30	26	21000	35000	14000
26	K26X30X10	—	26	30	10	9500	15500	16000
	K26X30X13	—	26	30	13	11100	18700	16000
	K26X30X17	—	26	30	17	14700	27000	16000
	K26X31X13	—	26	31	13	12400	18400	15000
	K26X30X22	—	26	30	22	15200	28000	16000
27	K27X32X17	—	27	32	27	16000	34000	17000
28	K28X32X16.5	—	28	32	16.5	15000	34000	14000
	K28X32X17	9242/28	28	32	17	15000	32400	14000
	K28X33X13	29241/28	28	33	13	14800	32400	14000
	K28X33X17	49241/28	28	33	17	19100	23600	14000
	K28X33X27	79241/28	28	33	27	22800	33000	14000
	K28X34X17	39242/28	28	34	17	21300	40500	14000
	K28X35X16	19243/28	28	35	16	21000	35000	14000
	K28X35X18	—	28	35	18	23500	29000	14000
	K28X35X20	29243/28	28	35	20	24000	33500	14000
	K28X35X27	—	28	35	27	34500	34000	14000
	K28X36X16	—	28	36	16	34000	54500	11000
	K28X40X18	—	28	40	18	33000	47000	12000
	K28X40X25	—	28	40	25	45000	36500	12000
30	K30X34X13	—	30	34	13	11800	54500	13000
	K30X35X13	29241/30	30	35	13	15100	21200	13000
	K30X35X17	49241/30	30	35	17	19100	25000	13000
	K30X35X27	19241/30	30	35	27	30000	33500	13000
	K30X37X16	19243/30	30	37	16	22500	58500	13000
	K30X38X25	29244/30	30	38	25	16000	33000	13000
	K30X40X18	—	30	40	18	31500	39000	12000
	K30X40X30	49243/30	30	40	30	48500	39500	13000
	K30X35X26	—	30	35	26	23500	68500	12000
32	K32X37X13	29241/32	32	37	13	15000	43500	12000
	K32X37X17	49241/32	32	37	17	19400	25000	12000
	K32X37X27	19241/32	32	37	27	29500	59500	12000
	K32X37X28	—	32	37	28	23100	43000	12000
	K32X38X16	—	32	38	16	21000	34000	12000
	K32X38X20	49242/32	32	38	20	26000	44500	12000
	K32X38X26	—	32	38	26	27000	46500	12000
	K32X39X16	19243/32	32	39	16	23500	35000	12000
	K32X39X18	—	32	39	18	26000	40500	12000
	K32X40X20	19243/32	32	40	20	37000	40500	12000
	K32X40X36	--	32	40	36	53500	91500	12000
	K32X46X32	--	32	46	32	65500	82500	11000
	K32X40X42	--	32	40	42	49500	83500	12000
35	K35X40X13	29241/35	35	40	13	15800	27500	11000
	K35X40X17	49241/35	35	40	17	20300	38000	11000
	K35X40X25	29244/35	35	40	25	29000	59500	11000
	K35X40X27	19241/35	35	40	27	24500	48000	11000
	K35X40X27	79241/35	35	40	27	27800	62100	11000
	K35X40X30	39244/35	35	40	30	25000	49500	11000
	K35X42X16	19243/35	35	42	16	23900	37000	11000
	K35X42X18	--	35	42	18	27000	42500	11000
	K35X42X30	49243/35	35	42	30	38500	67500	11000
	K35X43X18	--	35	43	18	28000	41500	11000
	K35X45X20	--	35	45	20	36500	49500	10000
	K35X45X30	29245/35	35	45	30	52500	78500	10000
	K35X45X49	--	35	45	49	81500	13400	10000
	K35X40X30	--	35	40	30	31500	65500	11000
	K35X42X20	29243/35	35	42	20	29500	48500	11000
36	K36X41X30	--	36	41	30	23000	43000	11000
36	K36X42X16	--	36	42	16	24000	42000	11000
37	K37X42X17	--	37	42	17	21900	42500	10000
	K37X42X27	--	37	42	27	31500	67500	10000
	K37X45X26	--	37	45	26	43500	73500	10000
38	K38X43X17	49241/38	38	43	17	20000	38000	10000
	K38X43X27	79241/38	38	43	27	31000	67500	10000
	K38X46X20	19244/38	38	46	20	35000	56500	10000
	K38X46X32	--	38	46	32	54500	98500	10000
39	K39X44X24	--	39	44	24	28000	58500	10000
39	K39X44X26	--	39	44	26	27000	55500	10000
40	K40X44X13	--	40	44	13	13500	28000	10000
	K40X45X13	29241/40	40	45	13	17100	32000	10000
	K40X45X17	49241/40	40	45	17	20900	41000	10000
	K40X45X21	--	40	45	21	24400	49500	10000
	K40X45X27	19241/40	40	45	27	32500	72500	10000
	K40X46X17	39242/40	40	46	17	24500	44500	9000
	K40X47X18	--	40	47	18	29000	49500	9000
	K40X47X20	29243/40	40	47	20	32000	56500	9000
	K40X48X20	19244/40	40	48	20	35500	58500	9000
	K40X45X30	--	40	45	30	26000	53500	9000
42	K42X47X13	29241/42	42	47	13	17300	33000	9000
	K42X47X17	49241/42	42	47	17	21100	42500	9000
	K42X47X25	--	42	47	25	27000	57500	9000
	K42X47X27	79241/42	42	47	27	33000	74500	9000
	K42X48X35	79242/42	42	48	35	35000	76000	9000
	K42X50X18	--	42	50	18	31000	49500	9000
	K42X50X20	19244/42	42	50	20	34500	56500	9000
	K42X47X30	--	42	47	30	31000	75500	9000
43	K43X48X17	--	43	48	17	21000	42500	9000
	K43X48X27	--	43	48	27	33000	74500	9000
	K43X50X18	9249/43	43	50	18	30500	53500	9000
45	K45X49X19	--	45	49	19	17500	4000	8000
	K45X50X17	49241/45	45	50	17	22000	45000	8000
	K45X50X27	19241/45	45	50	27	34000	79500	8000
	K45X50X32	--	45	50	32	38000	90500	8000
	K45X52X18	--	45	52	18	31000	56500	8000
	K45X52X21	--	45	52	21	39500	57500	8000
	K45X53X20	19244/45	45	53	20	38500	66500	8000
	K45X53X21	--	45	53	21	38000	66500	8000
	K45X53X22	--	45	53	22	42000	66500	8000
	K45X53X28	--	45	53	28	51500	97500	8000
	K45X59X18	--	45	59	18	43500	53500	7000
	K45X59X32	--	45	59	32	72500	101500	7000
	K45X59X36	--	45	59	36	75500	108500	7000
	K45X51X36	--	45	51	36	44500	98500	7000
47	K47X51X36	--	47	52	17	22800	48500	8000
	K47X52X17	--	47	52	27	34500	82500	8000
	K47X53X25	--	47	53	25	38000	81500	8000
	K47X55X28	--	47	55	28	52500	99500	7500
48	K48X54X19	39242/48	48	54	19	30000	60500	7500
48	K48X54X25	59242/48	48	54	25	31000	91000	7500
50	K50X55X13.5	--	50	55	13.5	17500	36000	7500
	K50X55X17	49241/50	50	55	17	21400	46500	7500
	K50X55X20	59241/50	50	55	20	26000	59500	7500
	K50X55X30	9243/50	50	55	30	38500	96500	7500
	K50X57X18	--	50	57	18	33000	62500	7000
	K50X58X20	19244/50	50	58	20	35000	61500	7000
	K50X58X25	29244/50	50	58	25	43500	80500	7000
52	K52X57X12	--	52	57	12	17500	36000	7000
55	K55X60X20	--	55	60	20	28000	65500	6500
	K55X60X27	--	55	60	27	37500	96500	6500
	K55X60X30	--	55	60	30	40500	10300	6500
	K55X61X20	49241 /55	55	61	20	41000	11000	6500
	K55X62X18	--	55	62	18	35000	68500	6500
	K55X63X15	--	55	63	15	24500	40500	6500
	K55X63X20	19243/55	55	63	20	39500	79500	6500
	K55X63X25	29243/55	55	63	25	49500	99500	6500
	K55X63X32	--	55	63	32	61500	129500	6500
	K55X60X40	--	55	60	40	48000	132000	6500
56	K56X61X20	--	56	61	20	27000	64500	6500
58	K58X63X17	--	58	63	17	21500	63500	6000
	K58X64X19	--	58	64	19	24500	77500	6000
	K58X65X18	--	58	65	18	34500	69500	6000
	K58X65X38	--	58	65	38	48500	106500	6000
60	K60X65X20	49241/60	60	65	20	29000	71500	6000
	K60X65X30	69241/60	60	65	30	42000	115500	6000
	K60X68X20	19243/60	60	68	20	43000	84500	5500
	K60X68X23	--	60	68	23	49000	100500	5500
	K60X68X25	29243/60	60	68	25	52500	110500	5500
	K60X68X27	--	60	68	27	59000	120500	6000
	K60X75X42	--	60	75	42	11300	19200	5500
	K60X66X33	--	60	66	33	45500	111500	6000
	K60X66X40	--	60	66	40	57500	150500	5500
	K60X68X30	--	60	68	30	44000	87500	5500
	K60X68X34	--	60	68	34	47500	95500	5500
62	K62X70X40	--	62	70	40	65500	145500	5500
63	K63X70X21	--	63	70	21	45000	100500	5500
64	K64X70X16	--	64	70	16	27500	59500	5500
65	K65X70X20	49241/65	65	70	20	30000	76500	5500
	K65X70X30	--	65	70	30	43500	123500	5500
	K65X73X23	--	65	73	23	45500	93500	5000
	K65X73X30	39243/65	65	73	30	56500	122500	5000
68	K68X74X20	49241/68	68	74	20	35000	83500	5000
	K68X74X30	69241/68	68	74	30	46000	117500	5000
	K68X74X35	79241/68	68	74	35	48000	124500	5000
	K68X75X32	--	68	75	32	53500	127500	4500
70	K70X76X20	49241/70	70	76	20	35500	85500	4500
	K70X76X30	69241/70	70	76	30	51500	138500	4500
	K70X78X25	29243/70	70	78	25	51500	111500	4500
	K70X78X30	39243/70	70	78	30	59500	134500	4500
	K70X80X30	29244/70	70	80	30	72500	147500	4500
	K70X78X46	--	70	78	46	77500	18800	4500
72	K72X80X20	19243/72	72	80	20	41000	84500	4500
73	K73X79X20	--	73	79	20	36500	99500	4500
75	K75X81X20	49241/75	75	81	20	37000	93500	4500
	K75X81X30	69241/75	75	81	30	51500	142000	4500
	K75X83X23	--	75	83	23	49500	108000	4000
	K75X83X30	39243/75	75	83	30	61500	142000	4000
	K75X83X35	49243/75	75	83	35	62500	146500	4000
	K75X83X40	59243/75	75	83	40	72500	176500	4000

Radial Needle Roller and Cage Assemblies K25x33x20

Category: The Needle Roller And Cage Assembly

Model:	K25x33x20
Place of Origin:	Zhejiang,China (Mainland)
Brand Name:	RNB OR NATURAL
Number of row:	Single row
Type:	Roller bearing
Material of race:	20#
Material of Needle roller:	Chrome steel
Precision:	P6

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K25x33x20 Needle Roller Bearings 25x33x20mm

Product Description