Silicon Rubber / Urethane Molded Bearings / Flat

 ■ Shape A

Part Number		D	Allowable Load N (kgf)					B	D1	r (min.)	Relative Dimension			Used Bearing
Type	d		Urethane				Silicon				Ds		R1 (max.)
			Shore A95	Shore A90	Shore A70	Shore A50	Shore A70				(min.)	(max.)
Urethane UMBBK UMSBK UMBBKW UMSBKW UMBB UMSB UMBW *UMSW UMBG *UMSG UMBGW *UMSGW UMBL UMBLW Antistatic Urethane UMBD Silicon Rubber SUMBB *SUMSB	3	10	38(3.8)	28(2.8)	9(0.9)	4(0.4)	7(0.7)	3	7	0.1	3.9	4.1	0.1	W683ZZA
		12	53(5.4)	34(3.5)	10(1)	6(0.6)	9.8(1)
	*4	13	66(6.7)	44(4.5)	13(1.3)	7(0.7)	13(1.3)	4	9	0.15	5	5.2		W684AX50ZZ
		16	79(8.1)	59(6)	16(1.6)	6(0.6)	18(1.8)	5	13	0.2	5.6	6.2	0.2	624ZZ
	*5	16	79(8.1)		16(1.6)						6.6	6.9		WBC5-13ZZ
		20	102(10.4)	78(8)	20(2)	9(0.9)	24(2.4)		16	0.3	7	7.6	0.3	625ZZ
	*6	20	114(11.7)		23(2.3)	15(1.5)			15	0.2	7.6	7.8	0.2	696ZZ
		28	218(22.2)	157(16)	44(4.5)	39(4)	47(4.8)	6	19	0.3	8	9.5	0.3	626ZZ
	*8	28	208(21.2)		42(4.3)	35(3.6)		7	22		10	12.2		608ZZ
		30A	-	176(18)	81(8.3)	65(6.7)	53(5.4)							608ZZ
	10	30A			94(9.6)	51(5.2)		8	26		12	13.5		6000ZZ
		40A	-	274(28)	136(13.9)	93(9.5)	82(8.4)	9	30	0.6	14	16	0.6	6200ZZ
	15	40A			122(12.4)	96(9.9)			32	0.3	17	19	0.3	6002ZZ
		45A	-	343(35)	109(11.1)	102(10.5)	103(10.5)	11	35	0.6	19	20	0.6	6202ZZ
	20	45A			130(13.3)	98(10.1)		9	37	0.3	22	24	0.3	6904ZZ
		55A	-	490(50)	225(22.9)	176(18.1)	147(15)	14	47	1	25	28	1	6204ZZ
	25	65A	-	750(70)	333(34)	250(25.8)	226(23)	15	52		30	32		6205ZZ

  Only d4 ~ 8 are available for * marked types.
  See price chart for available sizes.
  Allowable load is for reference.

 ■ Shape B

Part Number		D	Allowable Load N (kgf)					B	D1	B1	r (min.)	Relative Dimension			Used Bearing
Type	d		Urethane				Silicon					Ds		R1 (max.)
			Shore A95	Shore A90	Shore A70	Shore A50	Shore A70					(min.)	(max.)
Urethane UMBBK UMSBK UMBBKW UMSBKW UMBB UMSB UMBW UMSW UMBG UMSG UMBGW UMSGW UMBL UMBLW Antistatic Urethane UMBD Silicon Rubber SUMBB SUMSB	8	30	248(25.3)	176(18)	81(8.3)	65(6.7)	53(5.4)	11	22	7	0.3	10	12.2	0.3	608ZZ
	10	30	201(20.5)		94(9.6)	51(5.2)			26	8		12	13.5		6000ZZ
		40	412(42)	274(18)	136(13.9)	93(9.5)	82(8.4)		30	9	0.6	14	16	0.6	6200ZZ
	15	40	369(37.6)		122(12.4)	96(9.9)		12	32		0.3	17	19	0.3	6002ZZ
		45	534(54.5)	343(35)	109(11.1)	102(10.5)	103(10.5)	15	35	11	0.6	19	20	0.6	6202ZZ
	20	45	391(39.9)		130(13.3)	98(10.1)		12	37	9	0.3	22	24	0.3	6904ZZ
		55	674(68.7)	490(50)	225(22.9)	176(18.1)	147(15)	18	47	14	1	25	28	1	6204ZZ
	25	65	999(101.9)	750(70)	333(34)	250(25.8)	226(23)	19	52	15		30	32		6205ZZ

  Allowable load is for reference.
   See price chart for available sizes.

■Properties of Antistatic Urethane

Item	Unit	UMBD
Specific Volume Resistivity	Ω • cm	2.1x108
Surface Resistivity	Ω	4.0x109

  Test Conditions (Temperature 30°C / Humidity 60%)
  Listed values are not guaranteed values but an example of measured values.